204664212500145 has 16 divisors (see below), whose sum is σ = 327665002386240. Its totient is φ = 109086825871424.

The previous prime is 204664212500123. The next prime is 204664212500161. The reversal of 204664212500145 is 541005212466402.

204664212500145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 204664212500145 - 2⁸ = 204664212499889 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 204664212500097 and 204664212500106.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4213774614 + ... + 4213823183.

It is an arithmetic number, because the mean of its divisors is an integer number (20479062649140).

Almost surely, 2^{204664212500145} is an apocalyptic number.

It is an amenable number.

204664212500145 is a deficient number, since it is larger than the sum of its proper divisors (123000789886095).

204664212500145 is a wasteful number, since it uses less digits than its factorization.

204664212500145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8427599424.

The product of its (nonzero) digits is 460800, while the sum is 42.

Adding to 204664212500145 its reverse (541005212466402), we get a palindrome (745669424966547).

The spelling of 204664212500145 in words is "two hundred four trillion, six hundred sixty-four billion, two hundred twelve million, five hundred thousand, one hundred forty-five".