157643592 has 16 divisors (see below), whose sum is σ = 394109040. Its totient is φ = 52547856.

The previous prime is 157643561. The next prime is 157643597. The reversal of 157643592 is 295346751.

157643592 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (157643597) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3284218 + ... + 3284265.

It is an arithmetic number, because the mean of its divisors is an integer number (24631815).

Almost surely, 2^157643592 is an apocalyptic number.

157643592 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

157643592 is an abundant number, since it is smaller than the sum of its proper divisors (236465448).

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

157643592 is a wasteful number, since it uses less digits than its factorization.

157643592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6568492 (or 6568488 counting only the distinct ones).

The product of its digits is 226800, while the sum is 42.

The square root of 157643592 is about 12555.6199369047. The cubic root of 157643592 is about 540.2052169258.

The spelling of 157643592 in words is "one hundred fifty-seven million, six hundred forty-three thousand, five hundred ninety-two".