157331528 has 8 divisors (see below), whose sum is σ = 294996630. Its totient is φ = 78665760.

The previous prime is 157331521. The next prime is 157331561. The reversal of 157331528 is 825133751.

It can be written as a sum of positive squares in only one way, i.e., 124590244 + 32741284 = 11162^2 + 5722^2 .

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 (157331521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9833213 + ... + 9833228.

Almost surely, 2^157331528 is an apocalyptic number.

It is an amenable number.

157331528 is a deficient number, since it is larger than the sum of its proper divisors (137665102).

157331528 is a wasteful number, since it uses less digits than its factorization.

157331528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19666447 (or 19666443 counting only the distinct ones).

The product of its digits is 25200, while the sum is 35.

The square root of 157331528 is about 12543.1865169900. The cubic root of 157331528 is about 539.8485263303.

The spelling of 157331528 in words is "one hundred fifty-seven million, three hundred thirty-one thousand, five hundred twenty-eight".