204926144 has 14 divisors (see below), whose sum is σ = 406650444. Its totient is φ = 102463040.

The previous prime is 204926131. The next prime is 204926167. The reversal of 204926144 is 441629402.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 204926144.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1600922 + ... + 1601049.

Almost surely, 2^204926144 is an apocalyptic number.

It is an amenable number.

204926144 is a deficient number, since it is larger than the sum of its proper divisors (201724300).

204926144 is an equidigital number, since it uses as much as digits as its factorization.

204926144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3201983 (or 3201973 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 204926144 is about 14315.2416675374. The cubic root of 204926144 is about 589.5660353787.

The spelling of 204926144 in words is "two hundred four million, nine hundred twenty-six thousand, one hundred forty-four".