155626560 has 84 divisors (see below), whose sum is σ = 535300428. Its totient is φ = 41499648.

The previous prime is 155626553. The next prime is 155626561. The reversal of 155626560 is 65626551.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 109495296 + 46131264 = 10464^2 + 6792^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (155626561) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24139 + ... + 29898.

Almost surely, 2^155626560 is an apocalyptic number.

155626560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

155626560 is an abundant number, since it is smaller than the sum of its proper divisors (379673868).

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

155626560 is a wasteful number, since it uses less digits than its factorization.

155626560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54060 (or 54047 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

The square root of 155626560 is about 12475.0374748936. The cubic root of 155626560 is about 537.8913652309.

Subtracting from 155626560 its reverse (65626551), we obtain a palindrome (90000009).

It can be divided in two parts, 15562 and 6560, that added together give a palindrome (22122).

The spelling of 155626560 in words is "one hundred fifty-five million, six hundred twenty-six thousand, five hundred sixty".