157992850 has 24 divisors (see below), whose sum is σ = 300123648. Its totient is φ = 61851600.

The previous prime is 157992827. The next prime is 157992859. The reversal of 157992850 is 58299751.

157992850 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×157992850² = 49923481302245000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 157992850.

It is not an unprimeable number, because it can be changed into a prime (157992859) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31266 + ... + 35965.

It is an arithmetic number, because the mean of its divisors is an integer number (12505152).

Almost surely, 2^157992850 is an apocalyptic number.

157992850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

157992850 is a deficient number, since it is larger than the sum of its proper divisors (142130798).

157992850 is a wasteful number, since it uses less digits than its factorization.

157992850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67290 (or 67285 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 46.

The square root of 157992850 is about 12569.5206750297. The cubic root of 157992850 is about 540.6038626505.

The spelling of 157992850 in words is "one hundred fifty-seven million, nine hundred ninety-two thousand, eight hundred fifty".