345125560 has 64 divisors (see below), whose sum is σ = 840067200. Its totient is φ = 126852096.

The previous prime is 345125527. The next prime is 345125587. The reversal of 345125560 is 65521543.

It is a super-2 number, since 2×345125560² = 238223304330627200, 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, 122892 + ... + 125668.

It is an arithmetic number, because the mean of its divisors is an integer number (13126050).

Almost surely, 2^345125560 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 345125560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (420033600).

345125560 is an abundant number, since it is smaller than the sum of its proper divisors (494941640).

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

345125560 is a wasteful number, since it uses less digits than its factorization.

345125560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3040 (or 3036 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 345125560 is about 18577.5552751163. Note that the first 3 decimals coincide. The cubic root of 345125560 is about 701.4429825702.

The spelling of 345125560 in words is "three hundred forty-five million, one hundred twenty-five thousand, five hundred sixty".