152331656 has 8 divisors (see below), whose sum is σ = 285621870. Its totient is φ = 76165824.

The previous prime is 152331637. The next prime is 152331659. The reversal of 152331656 is 656133251.

It can be written as a sum of positive squares in only one way, i.e., 150454756 + 1876900 = 12266^2 + 1370^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (152331659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9520721 + ... + 9520736.

Almost surely, 2^152331656 is an apocalyptic number.

It is an amenable number.

152331656 is a deficient number, since it is larger than the sum of its proper divisors (133290214).

152331656 is a wasteful number, since it uses less digits than its factorization.

152331656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19041463 (or 19041459 counting only the distinct ones).

The product of its digits is 16200, while the sum is 32.

The square root of 152331656 is about 12342.2711038123. The cubic root of 152331656 is about 534.0682019058.

The spelling of 152331656 in words is "one hundred fifty-two million, three hundred thirty-one thousand, six hundred fifty-six".