155900886 has 32 divisors (see below), whose sum is σ = 319904640. Its totient is φ = 50623104.

The previous prime is 155900881. The next prime is 155900971. The reversal of 155900886 is 688009551.

155900886 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155900881) 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, 152485 + ... + 153503.

It is an arithmetic number, because the mean of its divisors is an integer number (9997020).

Almost surely, 2^155900886 is an apocalyptic number.

155900886 is an abundant number, since it is smaller than the sum of its proper divisors (164003754).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

155900886 is a wasteful number, since it uses less digits than its factorization.

155900886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1660.

The product of its (nonzero) digits is 86400, while the sum is 42.

The square root of 155900886 is about 12486.0276309161. The cubic root of 155900886 is about 538.2072302747.

The spelling of 155900886 in words is "one hundred fifty-five million, nine hundred thousand, eight hundred eighty-six".