204832345 has 24 divisors (see below), whose sum is σ = 259673472. Its totient is φ = 155034720.

The previous prime is 204832301. The next prime is 204832361. The reversal of 204832345 is 543238402.

It is not a de Polignac number, because 204832345 - 2¹⁵ = 204799577 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 225382 + ... + 226288.

It is an arithmetic number, because the mean of its divisors is an integer number (10819728).

Almost surely, 2^204832345 is an apocalyptic number.

It is an amenable number.

204832345 is a deficient number, since it is larger than the sum of its proper divisors (54841127).

204832345 is an equidigital number, since it uses as much as digits as its factorization.

204832345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1021 (or 990 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

The square root of 204832345 is about 14311.9650991749. The cubic root of 204832345 is about 589.4760693987.

The spelling of 204832345 in words is "two hundred four million, eight hundred thirty-two thousand, three hundred forty-five".