204331100244145 has 16 divisors (see below), whose sum is σ = 282432008982528. Its totient is φ = 139009504415040.

The previous prime is 204331100244109. The next prime is 204331100244181. The reversal of 204331100244145 is 541442001133402.

It is an interprime number because it is at equal distance from previous prime (204331100244109) and next prime (204331100244181).

It is a de Polignac number, because none of the positive numbers 2^k-204331100244145 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 204331100244145.

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, 22984371286 + ... + 22984380175.

It is an arithmetic number, because the mean of its divisors is an integer number (17652000561408).

Almost surely, 2^{204331100244145} is an apocalyptic number.

It is an amenable number.

204331100244145 is a deficient number, since it is larger than the sum of its proper divisors (78100908738383).

204331100244145 is a wasteful number, since it uses less digits than its factorization.

204331100244145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45968751600.

The product of its (nonzero) digits is 46080, while the sum is 34.

Adding to 204331100244145 its reverse (541442001133402), we get a palindrome (745773101377547).

The spelling of 204331100244145 in words is "two hundred four trillion, three hundred thirty-one billion, one hundred million, two hundred forty-four thousand, one hundred forty-five".