155875902 has 64 divisors (see below), whose sum is σ = 389512704. Its totient is φ = 40487040.

The previous prime is 155875883. The next prime is 155875919. The reversal of 155875902 is 209578551.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34452 + ... + 38712.

It is an arithmetic number, because the mean of its divisors is an integer number (6086136).

Almost surely, 2^155875902 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 155875902, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (194756352).

155875902 is an abundant number, since it is smaller than the sum of its proper divisors (233636802).

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

155875902 is a wasteful number, since it uses less digits than its factorization.

155875902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4353.

The product of its (nonzero) digits is 126000, while the sum is 42.

The square root of 155875902 is about 12485.0271125056. The cubic root of 155875902 is about 538.1784784864.

The spelling of 155875902 in words is "one hundred fifty-five million, eight hundred seventy-five thousand, nine hundred two".