156091112 has 8 divisors (see below), whose sum is σ = 292670850. Its totient is φ = 78045552.

The previous prime is 156091109. The next prime is 156091147. The reversal of 156091112 is 211190651.

It can be written as a sum of positive squares in only one way, i.e., 93586276 + 62504836 = 9674^2 + 7906^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9755687 + ... + 9755702.

Almost surely, 2^156091112 is an apocalyptic number.

It is an amenable number.

156091112 is a deficient number, since it is larger than the sum of its proper divisors (136579738).

156091112 is a wasteful number, since it uses less digits than its factorization.

156091112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19511395 (or 19511391 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 26.

The square root of 156091112 is about 12493.6428634726. The cubic root of 156091112 is about 538.4260432196.

The spelling of 156091112 in words is "one hundred fifty-six million, ninety-one thousand, one hundred twelve".