157497030 has 24 divisors (see below), whose sum is σ = 409492512. Its totient is φ = 41999184.

The previous prime is 157497029. The next prime is 157497073. The reversal of 157497030 is 30794751.

It is a happy number.

157497030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 874894 + ... + 875073.

It is an arithmetic number, because the mean of its divisors is an integer number (17062188).

Almost surely, 2^157497030 is an apocalyptic number.

157497030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

157497030 is an abundant number, since it is smaller than the sum of its proper divisors (251995482).

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

157497030 is a wasteful number, since it uses less digits than its factorization.

157497030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1749980 (or 1749977 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 36.

The square root of 157497030 is about 12549.7820698210. The cubic root of 157497030 is about 540.0377545619.

The spelling of 157497030 in words is "one hundred fifty-seven million, four hundred ninety-seven thousand, thirty".