155559156 has 24 divisors (see below), whose sum is σ = 382075680. Its totient is φ = 49123872.

The previous prime is 155559139. The next prime is 155559179. The reversal of 155559156 is 651955551.

It is a congruent number.

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 in 7 ways as a sum of consecutive naturals, for example, 340911 + ... + 341366.

It is an arithmetic number, because the mean of its divisors is an integer number (15919820).

Almost surely, 2^155559156 is an apocalyptic number.

It is an amenable number.

155559156 is an abundant number, since it is smaller than the sum of its proper divisors (226516524).

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

155559156 is a wasteful number, since it uses less digits than its factorization.

155559156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 682303 (or 682301 counting only the distinct ones).

The product of its digits is 168750, while the sum is 42.

The square root of 155559156 is about 12472.3356272993. The cubic root of 155559156 is about 537.8136979716.

The spelling of 155559156 in words is "one hundred fifty-five million, five hundred fifty-nine thousand, one hundred fifty-six".