156057147 has 6 divisors (see below), whose sum is σ = 225415892. Its totient is φ = 104038092.

The previous prime is 156057133. The next prime is 156057163. The reversal of 156057147 is 741750651.

156057147 is a `hidden beast` number, since 1 + 5 + 605 + 7 + 1 + 47 = 666.

It is not a de Polignac number, because 156057147 - 2⁸ = 156056891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (156057547) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8669833 + ... + 8669850.

Almost surely, 2^156057147 is an apocalyptic number.

156057147 is a deficient number, since it is larger than the sum of its proper divisors (69358745).

156057147 is a wasteful number, since it uses less digits than its factorization.

156057147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17339689 (or 17339686 counting only the distinct ones).

The product of its (nonzero) digits is 29400, while the sum is 36.

The square root of 156057147 is about 12492.2834982240. The cubic root of 156057147 is about 538.3869870407.

The spelling of 156057147 in words is "one hundred fifty-six million, fifty-seven thousand, one hundred forty-seven".