345140624 has 40 divisors (see below), whose sum is σ = 721099680. Its totient is φ = 159494400.

The previous prime is 345140603. The next prime is 345140633. The reversal of 345140624 is 426041543.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1382 + ... + 26309.

It is an arithmetic number, because the mean of its divisors is an integer number (18027492).

Almost surely, 2^345140624 is an apocalyptic number.

It is an amenable number.

345140624 is an abundant number, since it is smaller than the sum of its proper divisors (375959056).

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

345140624 is a wasteful number, since it uses less digits than its factorization.

345140624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27759 (or 27753 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 345140624 is about 18577.9607061701. The cubic root of 345140624 is about 701.4531879221.

The spelling of 345140624 in words is "three hundred forty-five million, one hundred forty thousand, six hundred twenty-four".