It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 142 072 009 is not a prime number.
For example, 142 072 009 can be divided by 17: 142 072 009 / 17 = 8 357 177.
For 142 072 009 to be a prime number, it would have been required that 142 072 009 has only two divisors, i.e., itself and 1.
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142 072 009 is an odd number, because it is not evenly divisible by 2.
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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 142 072 009 is about 11 919.396.
Thus, the square root of 142 072 009 is not an integer, and therefore 142 072 009 is not a square number.
The square of a number (here 142 072 009) is the result of the product of this number (142 072 009) by itself (i.e., 142 072 009 × 142 072 009); the square of 142 072 009 is sometimes called "raising 142 072 009 to the power 2", or "142 072 009 squared".
The square of 142 072 009 is 20 184 455 741 296 080 because 142 072 009 × 142 072 009 = 142 072 0092 = 20 184 455 741 296 080.
As a consequence, 142 072 009 is the square root of 20 184 455 741 296 080.
142 072 009 is a number with 9 digits.
The multiples of 142 072 009 are all integers evenly divisible by 142 072 009, that is all numbers such that the remainder of the division by 142 072 009 is zero. There are infinitely many multiples of 142 072 009. The smallest multiples of 142 072 009 are: