156105057 has 16 divisors (see below), whose sum is σ = 222266880. Its totient is φ = 97238400.

The previous prime is 156105041. The next prime is 156105097. The reversal of 156105057 is 750501651.

It is not a de Polignac number, because 156105057 - 2⁴ = 156105041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (156105097) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26244 + ... + 31637.

It is an arithmetic number, because the mean of its divisors is an integer number (13891680).

Almost surely, 2^156105057 is an apocalyptic number.

It is an amenable number.

156105057 is a deficient number, since it is larger than the sum of its proper divisors (66161823).

156105057 is a wasteful number, since it uses less digits than its factorization.

156105057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57944.

The product of its (nonzero) digits is 5250, while the sum is 30.

The square root of 156105057 is about 12494.2009348337. The cubic root of 156105057 is about 538.4420768628.

The spelling of 156105057 in words is "one hundred fifty-six million, one hundred five thousand, fifty-seven".