157795198 has 16 divisors (see below), whose sum is σ = 259346160. Its totient is φ = 71409600.

The previous prime is 157795189. The next prime is 157795273. The reversal of 157795198 is 891597751.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10623 + ... + 20698.

It is an arithmetic number, because the mean of its divisors is an integer number (16209135).

Almost surely, 2^157795198 is an apocalyptic number.

157795198 is a deficient number, since it is larger than the sum of its proper divisors (101550962).

157795198 is a wasteful number, since it uses less digits than its factorization.

157795198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31563.

The product of its digits is 793800, while the sum is 52.

The square root of 157795198 is about 12561.6558621863. The cubic root of 157795198 is about 540.3783334079.

The spelling of 157795198 in words is "one hundred fifty-seven million, seven hundred ninety-five thousand, one hundred ninety-eight".