155145560 has 32 divisors (see below), whose sum is σ = 350663040. Its totient is φ = 61776384.

The previous prime is 155145547. The next prime is 155145569. The reversal of 155145560 is 65541551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155145569) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 224 + ... + 17616.

It is an arithmetic number, because the mean of its divisors is an integer number (10958220).

Almost surely, 2^155145560 is an apocalyptic number.

155145560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

155145560 is an abundant number, since it is smaller than the sum of its proper divisors (195517480).

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

155145560 is a wasteful number, since it uses less digits than its factorization.

155145560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17627 (or 17623 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 32.

The square root of 155145560 is about 12455.7440564584. The cubic root of 155145560 is about 537.3366339648.

The spelling of 155145560 in words is "one hundred fifty-five million, one hundred forty-five thousand, five hundred sixty".