204153764 has 6 divisors (see below), whose sum is σ = 357269094. Its totient is φ = 102076880.

The previous prime is 204153743. The next prime is 204153767. The reversal of 204153764 is 467351402.

204153764 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 174451264 + 29702500 = 13208^2 + 5450^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 204153764.

It is not an unprimeable number, because it can be changed into a prime (204153767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25519217 + ... + 25519224.

It is an arithmetic number, because the mean of its divisors is an integer number (59544849).

Almost surely, 2^204153764 is an apocalyptic number.

It is an amenable number.

204153764 is a deficient number, since it is larger than the sum of its proper divisors (153115330).

204153764 is a wasteful number, since it uses less digits than its factorization.

204153764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51038445 (or 51038443 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 204153764 is about 14288.2386598209. The cubic root of 204153764 is about 588.8243985599.

The spelling of 204153764 in words is "two hundred four million, one hundred fifty-three thousand, seven hundred sixty-four".