155188960 has 96 divisors (see below), whose sum is σ = 391910400. Its totient is φ = 57899520.

The previous prime is 155188933. The next prime is 155188997. The reversal of 155188960 is 69881551.

It is a super-2 number, since 2×155188960² = 48167226611763200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 215481 + ... + 216199.

It is an arithmetic number, because the mean of its divisors is an integer number (4082400).

Almost surely, 2^155188960 is an apocalyptic number.

155188960 is a gapful number since it is divisible by the number (10) 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 155188960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (195955200).

155188960 is an abundant number, since it is smaller than the sum of its proper divisors (236721440).

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

155188960 is a wasteful number, since it uses less digits than its factorization.

155188960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 824 (or 816 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 43.

The square root of 155188960 is about 12457.4861027416. The cubic root of 155188960 is about 537.3867336599.

The spelling of 155188960 in words is "one hundred fifty-five million, one hundred eighty-eight thousand, nine hundred sixty".