157288830 has 16 divisors (see below), whose sum is σ = 377493264. Its totient is φ = 41943680.

The previous prime is 157288759. The next prime is 157288841. The reversal of 157288830 is 38882751.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2621451 + ... + 2621510.

It is an arithmetic number, because the mean of its divisors is an integer number (23593329).

Almost surely, 2^157288830 is an apocalyptic number.

157288830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

157288830 is an abundant number, since it is smaller than the sum of its proper divisors (220204434).

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

157288830 is a wasteful number, since it uses less digits than its factorization.

157288830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5242971.

The product of its (nonzero) digits is 107520, while the sum is 42.

The square root of 157288830 is about 12541.4843619087. The cubic root of 157288830 is about 539.7996856472.

The spelling of 157288830 in words is "one hundred fifty-seven million, two hundred eighty-eight thousand, eight hundred thirty".