204332445 has 24 divisors (see below), whose sum is σ = 356533632. Its totient is φ = 108252000.

The previous prime is 204332423. The next prime is 204332477. The reversal of 204332445 is 544233402.

It is not a de Polignac number, because 204332445 - 2⁵ = 204332413 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 8241 + ... + 21830.

It is an arithmetic number, because the mean of its divisors is an integer number (14855568).

Almost surely, 2^204332445 is an apocalyptic number.

It is an amenable number.

204332445 is a deficient number, since it is larger than the sum of its proper divisors (152201187).

204332445 is a wasteful number, since it uses less digits than its factorization.

204332445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30233 (or 30230 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

The square root of 204332445 is about 14294.4900223828. The cubic root of 204332445 is about 588.9961335804.

Adding to 204332445 its reverse (544233402), we get a palindrome (748565847).

The spelling of 204332445 in words is "two hundred four million, three hundred thirty-two thousand, four hundred forty-five".