157540325 has 36 divisors (see below), whose sum is σ = 207367680. Its totient is φ = 118681920.

The previous prime is 157540301. The next prime is 157540333. The reversal of 157540325 is 523045751.

It is not a de Polignac number, because 157540325 - 2¹⁰ = 157539301 is a prime.

It is a super-2 number, since 2×157540325² = 49637908002211250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 157540291 and 157540300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1240412 + ... + 1240538.

Almost surely, 2^157540325 is an apocalyptic number.

It is an amenable number.

157540325 is a deficient number, since it is larger than the sum of its proper divisors (49827355).

157540325 is a wasteful number, since it uses less digits than its factorization.

157540325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254 (or 220 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 32.

The square root of 157540325 is about 12551.5068816457. The cubic root of 157540325 is about 540.0872344209.

The spelling of 157540325 in words is "one hundred fifty-seven million, five hundred forty thousand, three hundred twenty-five".