156157146 has 24 divisors (see below), whose sum is σ = 350872704. Its totient is φ = 52052220.

The previous prime is 156157117. The next prime is 156157153. The reversal of 156157146 is 641751651.

It is a happy number.

156157146 is a `hidden beast` number, since 1 + 561 + 57 + 1 + 46 = 666.

156157146 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 156157146.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 160170 + ... + 161141.

It is an arithmetic number, because the mean of its divisors is an integer number (14619696).

Almost surely, 2^156157146 is an apocalyptic number.

156157146 is an abundant number, since it is smaller than the sum of its proper divisors (194715558).

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

156157146 is an equidigital number, since it uses as much as digits as its factorization.

156157146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321328 (or 321316 counting only the distinct ones).

The product of its digits is 25200, while the sum is 36.

The square root of 156157146 is about 12496.2852880366. The cubic root of 156157146 is about 538.5019591645.

The spelling of 156157146 in words is "one hundred fifty-six million, one hundred fifty-seven thousand, one hundred forty-six".