155502156 has 48 divisors (see below), whose sum is σ = 383331200. Its totient is φ = 48926592.

The previous prime is 155502119. The next prime is 155502167. The reversal of 155502156 is 651205551.

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 15 ways as a sum of consecutive naturals, for example, 70275 + ... + 72453.

Almost surely, 2^155502156 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 155502156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (191665600).

155502156 is an abundant number, since it is smaller than the sum of its proper divisors (227829044).

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

155502156 is a wasteful number, since it uses less digits than its factorization.

155502156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2518 (or 2516 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 30.

The square root of 155502156 is about 12470.0503607644. The cubic root of 155502156 is about 537.7480013654.

The spelling of 155502156 in words is "one hundred fifty-five million, five hundred two thousand, one hundred fifty-six".