345504565 has 16 divisors (see below), whose sum is σ = 476461440. Its totient is φ = 235604160.

The previous prime is 345504563. The next prime is 345504587. The reversal of 345504565 is 565405543.

It is not a de Polignac number, because 345504565 - 2¹ = 345504563 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345504563) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20935 + ... + 33604.

It is an arithmetic number, because the mean of its divisors is an integer number (29778840).

Almost surely, 2^345504565 is an apocalyptic number.

345504565 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

345504565 is a deficient number, since it is larger than the sum of its proper divisors (130956875).

345504565 is a wasteful number, since it uses less digits than its factorization.

345504565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54732.

The product of its (nonzero) digits is 180000, while the sum is 37.

The square root of 345504565 is about 18587.7530917537. The cubic root of 345504565 is about 701.6996554759.

The spelling of 345504565 in words is "three hundred forty-five million, five hundred four thousand, five hundred sixty-five".