345537665 has 32 divisors (see below), whose sum is σ = 483822720. Its totient is φ = 234112000.

The previous prime is 345537659. The next prime is 345537677. The reversal of 345537665 is 566735543.

It is a happy number.

It is not a de Polignac number, because 345537665 - 2⁴ = 345537649 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 92606 + ... + 96264.

It is an arithmetic number, because the mean of its divisors is an integer number (15119460).

Almost surely, 2^345537665 is an apocalyptic number.

It is an amenable number.

345537665 is a deficient number, since it is larger than the sum of its proper divisors (138285055).

345537665 is a wasteful number, since it uses less digits than its factorization.

345537665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3793.

The product of its digits is 1134000, while the sum is 44.

The square root of 345537665 is about 18588.6434416285. The cubic root of 345537665 is about 701.7220628180.

The spelling of 345537665 in words is "three hundred forty-five million, five hundred thirty-seven thousand, six hundred sixty-five".