204103135045 has 32 divisors (see below), whose sum is σ = 254003008896. Its totient is φ = 157337241600.

The previous prime is 204103135037. The next prime is 204103135051. The reversal of 204103135045 is 540531301402.

It is not a de Polignac number, because 204103135045 - 2³ = 204103135037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7378290 + ... + 7405900.

It is an arithmetic number, because the mean of its divisors is an integer number (7937594028).

Almost surely, 2^204103135045 is an apocalyptic number.

It is an amenable number.

204103135045 is a deficient number, since it is larger than the sum of its proper divisors (49899873851).

204103135045 is a wasteful number, since it uses less digits than its factorization.

204103135045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28101.

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 204103135045 its reverse (540531301402), we get a palindrome (744634436447).

The spelling of 204103135045 in words is "two hundred four billion, one hundred three million, one hundred thirty-five thousand, forty-five".