157157025 has 24 divisors (see below), whose sum is σ = 261572544. Its totient is φ = 83256000.

The previous prime is 157157017. The next prime is 157157041. The reversal of 157157025 is 520751751.

It is not a de Polignac number, because 157157025 - 2³ = 157157017 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4387 + ... + 18263.

It is an arithmetic number, because the mean of its divisors is an integer number (10898856).

Almost surely, 2^157157025 is an apocalyptic number.

157157025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

157157025 is a deficient number, since it is larger than the sum of its proper divisors (104415519).

157157025 is a wasteful number, since it uses less digits than its factorization.

157157025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14041 (or 14036 counting only the distinct ones).

The product of its (nonzero) digits is 12250, while the sum is 33.

The square root of 157157025 is about 12536.2284998320. The cubic root of 157157025 is about 539.6488629421.

The spelling of 157157025 in words is "one hundred fifty-seven million, one hundred fifty-seven thousand, twenty-five".