204055345 has 32 divisors (see below), whose sum is σ = 279982080. Its totient is φ = 141523200.

The previous prime is 204055337. The next prime is 204055387. The reversal of 204055345 is 543550402.

It is not a de Polignac number, because 204055345 - 2³ = 204055337 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 156195 + ... + 157495.

It is an arithmetic number, because the mean of its divisors is an integer number (8749440).

Almost surely, 2^204055345 is an apocalyptic number.

It is an amenable number.

204055345 is a deficient number, since it is larger than the sum of its proper divisors (75926735).

204055345 is a wasteful number, since it uses less digits than its factorization.

204055345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1465.

The product of its (nonzero) digits is 12000, while the sum is 28.

The square root of 204055345 is about 14284.7941882269. The cubic root of 204055345 is about 588.7297626634.

The spelling of 204055345 in words is "two hundred four million, fifty-five thousand, three hundred forty-five".