345868458 has 32 divisors (see below), whose sum is σ = 746928000. Its totient is φ = 106138176.

The previous prime is 345868447. The next prime is 345868463. The reversal of 345868458 is 854868543.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 345868458.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24643 + ... + 36041.

It is an arithmetic number, because the mean of its divisors is an integer number (23341500).

Almost surely, 2^345868458 is an apocalyptic number.

345868458 is an abundant number, since it is smaller than the sum of its proper divisors (401059542).

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

345868458 is a wasteful number, since it uses less digits than its factorization.

345868458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11806.

The product of its digits is 3686400, while the sum is 51.

The square root of 345868458 is about 18597.5390307428. The cubic root of 345868458 is about 701.9459175387.

The spelling of 345868458 in words is "three hundred forty-five million, eight hundred sixty-eight thousand, four hundred fifty-eight".