157455944 has 16 divisors (see below), whose sum is σ = 304753920. Its totient is φ = 76188240.

The previous prime is 157455943. The next prime is 157455959. The reversal of 157455944 is 449554751.

It is a super-2 number, since 2×157455944² = 49584748601862272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 157455895 and 157455904.

It is not an unprimeable number, because it can be changed into a prime (157455943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 317204 + ... + 317699.

It is an arithmetic number, because the mean of its divisors is an integer number (19047120).

Almost surely, 2^157455944 is an apocalyptic number.

It is an amenable number.

157455944 is a deficient number, since it is larger than the sum of its proper divisors (147297976).

157455944 is a wasteful number, since it uses less digits than its factorization.

157455944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634940 (or 634936 counting only the distinct ones).

The product of its digits is 504000, while the sum is 44.

The square root of 157455944 is about 12548.1450421965. The cubic root of 157455944 is about 539.9907908809.

The spelling of 157455944 in words is "one hundred fifty-seven million, four hundred fifty-five thousand, nine hundred forty-four".