204451145224 has 8 divisors (see below), whose sum is σ = 383345897310. Its totient is φ = 102225572608.

The previous prime is 204451145209. The next prime is 204451145243. The reversal of 204451145224 is 422541154402.

204451145224 is digitally balanced in base 2, 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., 199478356900 + 4972788324 = 446630^2 + 70518^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 204451145224.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12778196569 + ... + 12778196584.

Almost surely, 2^204451145224 is an apocalyptic number.

It is an amenable number.

204451145224 is a deficient number, since it is larger than the sum of its proper divisors (178894752086).

204451145224 is a wasteful number, since it uses less digits than its factorization.

204451145224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25556393159 (or 25556393155 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 34.

Adding to 204451145224 its reverse (422541154402), we get a palindrome (626992299626).

The spelling of 204451145224 in words is "two hundred four billion, four hundred fifty-one million, one hundred forty-five thousand, two hundred twenty-four".