204104445 has 32 divisors (see below), whose sum is σ = 339220992. Its totient is φ = 104715072.

The previous prime is 204104429. The next prime is 204104447. The reversal of 204104445 is 544401402.

It is a happy number.

It is not a de Polignac number, because 204104445 - 2⁴ = 204104429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204104447) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40854 + ... + 45576.

It is an arithmetic number, because the mean of its divisors is an integer number (10600656).

Almost surely, 2^204104445 is an apocalyptic number.

It is an amenable number.

204104445 is a deficient number, since it is larger than the sum of its proper divisors (135116547).

204104445 is a wasteful number, since it uses less digits than its factorization.

204104445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4841.

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 204104445 is about 14286.5126955461. The cubic root of 204104445 is about 588.7769791235.

Adding to 204104445 its reverse (544401402), we get a palindrome (748505847).

The spelling of 204104445 in words is "two hundred four million, one hundred four thousand, four hundred forty-five".