It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 148 144 is not a prime number.
For example, 148 144 can be divided by 2: 148 144 / 2 = 74 072.
For 148 144 to be a prime number, it would have been required that 148 144 has only two divisors, i.e., itself and 1.
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148 144 is an even number, because it is evenly divisible by 2: 148 144 / 2 = 74 072.
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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 148 144 is about 384.895.
Thus, the square root of 148 144 is not an integer, and therefore 148 144 is not a square number.
The square of a number (here 148 144) is the result of the product of this number (148 144) by itself (i.e., 148 144 × 148 144); the square of 148 144 is sometimes called "raising 148 144 to the power 2", or "148 144 squared".
The square of 148 144 is 21 946 644 736 because 148 144 × 148 144 = 148 1442 = 21 946 644 736.
As a consequence, 148 144 is the square root of 21 946 644 736.
The multiples of 148 144 are all integers evenly divisible by 148 144, that is all numbers such that the remainder of the division by 148 144 is zero. There are infinitely many multiples of 148 144. The smallest multiples of 148 144 are: