345802457 has 48 divisors (see below), whose sum is σ = 500556672. Its totient is φ = 234017280.

The previous prime is 345802441. The next prime is 345802463. The reversal of 345802457 is 754208543.

It is a happy number.

It is not a de Polignac number, because 345802457 - 2⁴ = 345802441 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 345802457.

It is not an unprimeable number, because it can be changed into a prime (345802417) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 117668 + ... + 120570.

It is an arithmetic number, because the mean of its divisors is an integer number (10428264).

Almost surely, 2^345802457 is an apocalyptic number.

It is an amenable number.

345802457 is a deficient number, since it is larger than the sum of its proper divisors (154754215).

345802457 is a wasteful number, since it uses less digits than its factorization.

345802457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2958 (or 2951 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 38.

The square root of 345802457 is about 18595.7644908726. The cubic root of 345802457 is about 701.9012646477.

The spelling of 345802457 in words is "three hundred forty-five million, eight hundred two thousand, four hundred fifty-seven".