It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 146 042 is not a prime number.
For example, 146 042 can be divided by 2: 146 042 / 2 = 73 021.
For 146 042 to be a prime number, it would have been required that 146 042 has only two divisors, i.e., itself and 1.
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146 042 is an even number, because it is evenly divisible by 2: 146 042 / 2 = 73 021.
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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 146 042 is about 382.154.
Thus, the square root of 146 042 is not an integer, and therefore 146 042 is not a square number.
The square of a number (here 146 042) is the result of the product of this number (146 042) by itself (i.e., 146 042 × 146 042); the square of 146 042 is sometimes called "raising 146 042 to the power 2", or "146 042 squared".
The square of 146 042 is 21 328 265 764 because 146 042 × 146 042 = 146 0422 = 21 328 265 764.
As a consequence, 146 042 is the square root of 21 328 265 764.
The multiples of 146 042 are all integers evenly divisible by 146 042, that is all numbers such that the remainder of the division by 146 042 is zero. There are infinitely many multiples of 146 042. The smallest multiples of 146 042 are: