157340825 has 24 divisors (see below), whose sum is σ = 198871200. Its totient is φ = 123468800.

The previous prime is 157340789. The next prime is 157340837. The reversal of 157340825 is 528043751.

It is a happy number.

It is not a de Polignac number, because 157340825 - 2²⁶ = 90231961 is a prime.

It is a super-2 number, since 2×157340825² = 49512270423361250, which contains 22 as substring.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

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, 350201 + ... + 350649.

It is an arithmetic number, because the mean of its divisors is an integer number (8286300).

Almost surely, 2^157340825 is an apocalyptic number.

It is an amenable number.

157340825 is a deficient number, since it is larger than the sum of its proper divisors (41530375).

157340825 is a wasteful number, since it uses less digits than its factorization.

157340825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 697 (or 692 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 35.

The square root of 157340825 is about 12543.5571111228. The cubic root of 157340825 is about 539.8591596576.

The spelling of 157340825 in words is "one hundred fifty-seven million, three hundred forty thousand, eight hundred twenty-five".