156115556 has 12 divisors (see below), whose sum is σ = 289273068. Its totient is φ = 73466112.

The previous prime is 156115549. The next prime is 156115579. The reversal of 156115556 is 655511651.

It can be written as a sum of positive squares in 2 ways, for example, as 113081956 + 43033600 = 10634^2 + 6560^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1147841 + ... + 1147976.

It is an arithmetic number, because the mean of its divisors is an integer number (24106089).

Almost surely, 2^156115556 is an apocalyptic number.

It is an amenable number.

156115556 is a deficient number, since it is larger than the sum of its proper divisors (133157512).

156115556 is a wasteful number, since it uses less digits than its factorization.

156115556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2295838 (or 2295836 counting only the distinct ones).

The product of its digits is 22500, while the sum is 35.

The square root of 156115556 is about 12494.6210826899. The cubic root of 156115556 is about 538.4541477437.

The spelling of 156115556 in words is "one hundred fifty-six million, one hundred fifteen thousand, five hundred fifty-six".