204430144 has 28 divisors (see below), whose sum is σ = 407135584. Its totient is φ = 101844864.

The previous prime is 204430129. The next prime is 204430147. The reversal of 204430144 is 441034402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204430147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12469 + ... + 23755.

Almost surely, 2^204430144 is an apocalyptic number.

It is an amenable number.

204430144 is a deficient number, since it is larger than the sum of its proper divisors (202705440).

204430144 is a wasteful number, since it uses less digits than its factorization.

204430144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11582 (or 11572 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 204430144 is about 14297.9069796946. The cubic root of 204430144 is about 589.0899923316.

Adding to 204430144 its reverse (441034402), we get a palindrome (645464546).

The spelling of 204430144 in words is "two hundred four million, four hundred thirty thousand, one hundred forty-four".