It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 146 502 is not a prime number.
For example, 146 502 can be divided by 2: 146 502 / 2 = 73 251.
For 146 502 to be a prime number, it would have been required that 146 502 has only two divisors, i.e., itself and 1.
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146 502 is an even number, because it is evenly divisible by 2: 146 502 / 2 = 73 251.
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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 146 502 is about 382.756.
Thus, the square root of 146 502 is not an integer, and therefore 146 502 is not a square number.
The square of a number (here 146 502) is the result of the product of this number (146 502) by itself (i.e., 146 502 × 146 502); the square of 146 502 is sometimes called "raising 146 502 to the power 2", or "146 502 squared".
The square of 146 502 is 21 462 836 004 because 146 502 × 146 502 = 146 5022 = 21 462 836 004.
As a consequence, 146 502 is the square root of 21 462 836 004.
The multiples of 146 502 are all integers evenly divisible by 146 502, that is all numbers such that the remainder of the division by 146 502 is zero. There are infinitely many multiples of 146 502. The smallest multiples of 146 502 are: