157725528 has 32 divisors (see below), whose sum is σ = 395366400. Its totient is φ = 52434848.

The previous prime is 157725527. The next prime is 157725553. The reversal of 157725528 is 825527751.

157725528 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a nialpdrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 157725528.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157725527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 613 + ... + 17771.

It is an arithmetic number, because the mean of its divisors is an integer number (12355200).

Almost surely, 2^157725528 is an apocalyptic number.

It is an amenable number.

157725528 is an abundant number, since it is smaller than the sum of its proper divisors (237640872).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

157725528 is a wasteful number, since it uses less digits than its factorization.

157725528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17551 (or 17547 counting only the distinct ones).

The product of its digits is 196000, while the sum is 42.

The square root of 157725528 is about 12558.8824343570. The cubic root of 157725528 is about 540.2987921182.

The spelling of 157725528 in words is "one hundred fifty-seven million, seven hundred twenty-five thousand, five hundred twenty-eight".