It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 142 737 238 is not a prime number.
For example, 142 737 238 can be divided by 2: 142 737 238 / 2 = 71 368 619.
For 142 737 238 to be a prime number, it would have been required that 142 737 238 has only two divisors, i.e., itself and 1.
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142 737 238 is an even number, because it is evenly divisible by 2: 142 737 238 / 2 = 71 368 619.
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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 142 737 238 is about 11 947.269.
Thus, the square root of 142 737 238 is not an integer, and therefore 142 737 238 is not a square number.
The square of a number (here 142 737 238) is the result of the product of this number (142 737 238) by itself (i.e., 142 737 238 × 142 737 238); the square of 142 737 238 is sometimes called "raising 142 737 238 to the power 2", or "142 737 238 squared".
The square of 142 737 238 is 20 373 919 111 868 644 because 142 737 238 × 142 737 238 = 142 737 2382 = 20 373 919 111 868 644.
As a consequence, 142 737 238 is the square root of 20 373 919 111 868 644.
142 737 238 is a number with 9 digits.
The multiples of 142 737 238 are all integers evenly divisible by 142 737 238, that is all numbers such that the remainder of the division by 142 737 238 is zero. There are infinitely many multiples of 142 737 238. The smallest multiples of 142 737 238 are: