204143210445 has 16 divisors (see below), whose sum is σ = 326966935680. Its totient is φ = 108763779264.

The previous prime is 204143210389. The next prime is 204143210471. The reversal of 204143210445 is 544012341402.

It is not a de Polignac number, because 204143210445 - 2²⁸ = 203874774989 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 7022490 + ... + 7051499.

It is an arithmetic number, because the mean of its divisors is an integer number (20435433480).

Almost surely, 2^204143210445 is an apocalyptic number.

It is an amenable number.

204143210445 is a deficient number, since it is larger than the sum of its proper divisors (122823725235).

204143210445 is a wasteful number, since it uses less digits than its factorization.

204143210445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14074964.

The product of its (nonzero) digits is 15360, while the sum is 30.

Adding to 204143210445 its reverse (544012341402), we get a palindrome (748155551847).

The spelling of 204143210445 in words is "two hundred four billion, one hundred forty-three million, two hundred ten thousand, four hundred forty-five".