345945858 has 16 divisors (see below), whose sum is σ = 692852160. Its totient is φ = 115155216.

The previous prime is 345945827. The next prime is 345945877. The reversal of 345945858 is 858549543.

It is a self number, because there is not a number n which added to its sum of digits gives 345945858.

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, 35293 + ... + 44016.

It is an arithmetic number, because the mean of its divisors is an integer number (43303260).

Almost surely, 2^345945858 is an apocalyptic number.

345945858 is an abundant number, since it is smaller than the sum of its proper divisors (346906302).

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

345945858 is a wasteful number, since it uses less digits than its factorization.

345945858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80041.

The product of its digits is 3456000, while the sum is 51.

The square root of 345945858 is about 18599.6198348246. The cubic root of 345945858 is about 701.9982751721.

The spelling of 345945858 in words is "three hundred forty-five million, nine hundred forty-five thousand, eight hundred fifty-eight".