204424153245 has 32 divisors (see below), whose sum is σ = 391376160000. Its totient is φ = 100639582272.

The previous prime is 204424153231. The next prime is 204424153277. The reversal of 204424153245 is 542351424402.

204424153245 is a `hidden beast` number, since 2 + 0 + 4 + 42 + 41 + 532 + 45 = 666.

It is not a de Polignac number, because 204424153245 - 2⁷ = 204424153117 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 58238745 + ... + 58242254.

It is an arithmetic number, because the mean of its divisors is an integer number (12230505000).

Almost surely, 2^204424153245 is an apocalyptic number.

It is an amenable number.

204424153245 is a deficient number, since it is larger than the sum of its proper divisors (186952006755).

204424153245 is a wasteful number, since it uses less digits than its factorization.

204424153245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116481026 (or 116481020 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 36.

Adding to 204424153245 its reverse (542351424402), we get a palindrome (746775577647).

The spelling of 204424153245 in words is "two hundred four billion, four hundred twenty-four million, one hundred fifty-three thousand, two hundred forty-five".