204545682 has 32 divisors (see below), whose sum is σ = 495869760. Its totient is φ = 61983360.

The previous prime is 204545681. The next prime is 204545687. The reversal of 204545682 is 286545402.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (204545681) 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, 171583 + ... + 172770.

It is an arithmetic number, because the mean of its divisors is an integer number (15495930).

Almost surely, 2^204545682 is an apocalyptic number.

204545682 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

204545682 is an abundant number, since it is smaller than the sum of its proper divisors (291324078).

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

204545682 is a wasteful number, since it uses less digits than its factorization.

204545682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344375 (or 344369 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 36.

The square root of 204545682 is about 14301.9467905597. The cubic root of 204545682 is about 589.2009503015.

The spelling of 204545682 in words is "two hundred four million, five hundred forty-five thousand, six hundred eighty-two".