157856146 has 40 divisors (see below), whose sum is σ = 280727424. Its totient is φ = 66555720.

The previous prime is 157856143. The next prime is 157856147. The reversal of 157856146 is 641658751.

It is not an unprimeable number, because it can be changed into a prime (157856143) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 340711 + ... + 341173.

Almost surely, 2^157856146 is an apocalyptic number.

157856146 is a deficient number, since it is larger than the sum of its proper divisors (122871278).

157856146 is an frugal number, since it uses more digits than its factorization.

157856146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564 (or 543 counting only the distinct ones).

The product of its digits is 201600, while the sum is 43.

The square root of 157856146 is about 12564.0815820338. The cubic root of 157856146 is about 540.4478977116.

The spelling of 157856146 in words is "one hundred fifty-seven million, eight hundred fifty-six thousand, one hundred forty-six".