204602745 has 16 divisors (see below), whose sum is σ = 328587840. Its totient is φ = 108713664.

The previous prime is 204602707. The next prime is 204602747. The reversal of 204602745 is 547206402.

It is not a de Polignac number, because 204602745 - 2⁶ = 204602681 is a prime.

It is not an unprimeable number, because it can be changed into a prime (204602747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21319 + ... + 29388.

It is an arithmetic number, because the mean of its divisors is an integer number (20536740).

Almost surely, 2^204602745 is an apocalyptic number.

It is an amenable number.

204602745 is a deficient number, since it is larger than the sum of its proper divisors (123985095).

204602745 is a wasteful number, since it uses less digits than its factorization.

204602745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50984.

The product of its (nonzero) digits is 13440, while the sum is 30.

The square root of 204602745 is about 14303.9415896458. The cubic root of 204602745 is about 589.2557358592.

The spelling of 204602745 in words is "two hundred four million, six hundred two thousand, seven hundred forty-five".