156057201 has 12 divisors (see below), whose sum is σ = 226362240. Its totient is φ = 103601400.

The previous prime is 156057199. The next prime is 156057217. The reversal of 156057201 is 102750651.

It is not a de Polignac number, because 156057201 - 2¹ = 156057199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (156057101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34125 + ... + 38426.

It is an arithmetic number, because the mean of its divisors is an integer number (18863520).

Almost surely, 2^156057201 is an apocalyptic number.

It is an amenable number.

156057201 is a deficient number, since it is larger than the sum of its proper divisors (70305039).

156057201 is a wasteful number, since it uses less digits than its factorization.

156057201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72796 (or 72793 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 27.

The square root of 156057201 is about 12492.2856595581. The cubic root of 156057201 is about 538.3870491396.

The spelling of 156057201 in words is "one hundred fifty-six million, fifty-seven thousand, two hundred one".