It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 142 262 012 is not a prime number.
For example, 142 262 012 can be divided by 2: 142 262 012 / 2 = 71 131 006.
For 142 262 012 to be a prime number, it would have been required that 142 262 012 has only two divisors, i.e., itself and 1.
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142 262 012 is an even number, because it is evenly divisible by 2: 142 262 012 / 2 = 71 131 006.
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A number is a perfect square (or a square number) if its square root is an integer; that is to say, it is the product of an integer with itself. Here, the square root of 142 262 012 is about 11 927.364.
Thus, the square root of 142 262 012 is not an integer, and therefore 142 262 012 is not a square number.
The square of a number (here 142 262 012) is the result of the product of this number (142 262 012) by itself (i.e., 142 262 012 × 142 262 012); the square of 142 262 012 is sometimes called "raising 142 262 012 to the power 2", or "142 262 012 squared".
The square of 142 262 012 is 20 238 480 058 288 144 because 142 262 012 × 142 262 012 = 142 262 0122 = 20 238 480 058 288 144.
As a consequence, 142 262 012 is the square root of 20 238 480 058 288 144.
142 262 012 is a number with 9 digits.
The multiples of 142 262 012 are all integers evenly divisible by 142 262 012, that is all numbers such that the remainder of the division by 142 262 012 is zero. There are infinitely many multiples of 142 262 012. The smallest multiples of 142 262 012 are: