155960000 has 140 divisors (see below), whose sum is σ = 442770768. Its totient is φ = 53376000.

The previous prime is 155959967. The next prime is 155960027. The reversal of 155960000 is 69551.

It is a tau number, because it is divible by the number of its divisors (140).

It is a congruent number.

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 19 ways as a sum of consecutive naturals, for example, 279722 + ... + 280278.

Almost surely, 2^155960000 is an apocalyptic number.

155960000 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 155960000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (221385384).

155960000 is an abundant number, since it is smaller than the sum of its proper divisors (286810768).

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

155960000 is an frugal number, since it uses more digits than its factorization.

155960000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 596 (or 571 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 26.

The square root of 155960000 is about 12488.3946125993. The cubic root of 155960000 is about 538.2752469115.

The spelling of 155960000 in words is "one hundred fifty-five million, nine hundred sixty thousand".