345457204 has 48 divisors (see below), whose sum is σ = 655361280. Its totient is φ = 158745600.

The previous prime is 345457199. The next prime is 345457207. The reversal of 345457204 is 402754543.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a self number, because there is not a number n which added to its sum of digits gives 345457204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345457207) 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, 574504 + ... + 575104.

It is an arithmetic number, because the mean of its divisors is an integer number (13653360).

Almost surely, 2^345457204 is an apocalyptic number.

345457204 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

345457204 is a deficient number, since it is larger than the sum of its proper divisors (309904076).

345457204 is a wasteful number, since it uses less digits than its factorization.

345457204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 808 (or 806 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 34.

The square root of 345457204 is about 18586.4790640939. The cubic root of 345457204 is about 701.6675915330.

The spelling of 345457204 in words is "three hundred forty-five million, four hundred fifty-seven thousand, two hundred four".