155032656 has 80 divisors (see below), whose sum is σ = 426115584. Its totient is φ = 48402432.

The previous prime is 155032651. The next prime is 155032663. The reversal of 155032656 is 656230551.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155032651) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 255105 + ... + 255711.

Almost surely, 2^155032656 is an apocalyptic number.

155032656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 155032656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (213057792).

155032656 is an abundant number, since it is smaller than the sum of its proper divisors (271082928).

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

155032656 is a wasteful number, since it uses less digits than its factorization.

155032656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 948 (or 942 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 33.

The square root of 155032656 is about 12451.2110254384. The cubic root of 155032656 is about 537.2062570943.

The spelling of 155032656 in words is "one hundred fifty-five million, thirty-two thousand, six hundred fifty-six".