345328458 has 32 divisors (see below), whose sum is σ = 742487040. Its totient is φ = 106729200.

The previous prime is 345328391. The next prime is 345328469. The reversal of 345328458 is 854823543.

345328458 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 26868 + ... + 37583.

It is an arithmetic number, because the mean of its divisors is an integer number (23202720).

Almost surely, 2^345328458 is an apocalyptic number.

345328458 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

345328458 is an abundant number, since it is smaller than the sum of its proper divisors (397158582).

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

345328458 is a wasteful number, since it uses less digits than its factorization.

345328458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64522.

The product of its digits is 460800, while the sum is 42.

The square root of 345328458 is about 18583.0153096853. The cubic root of 345328458 is about 701.5804141930.

The spelling of 345328458 in words is "three hundred forty-five million, three hundred twenty-eight thousand, four hundred fifty-eight".