204113045 has 16 divisors (see below), whose sum is σ = 253471680. Its totient is φ = 157686144.

The previous prime is 204113027. The next prime is 204113051. The reversal of 204113045 is 540311402.

It is a cyclic number.

It is not a de Polignac number, because 204113045 - 2⁶ = 204112981 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13802 + ... + 24468.

It is an arithmetic number, because the mean of its divisors is an integer number (15841980).

Almost surely, 2^204113045 is an apocalyptic number.

It is an amenable number.

204113045 is a deficient number, since it is larger than the sum of its proper divisors (49358635).

204113045 is a wasteful number, since it uses less digits than its factorization.

204113045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10804.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 204113045 is about 14286.8136755541. The cubic root of 204113045 is about 588.7852484369.

Adding to 204113045 its reverse (540311402), we get a palindrome (744424447).

The spelling of 204113045 in words is "two hundred four million, one hundred thirteen thousand, forty-five".