102305451504 has 20 divisors (see below), whose sum is σ = 264289083176. Its totient is φ = 34101817152.

The previous prime is 102305451499. The next prime is 102305451517. The reversal of 102305451504 is 405154503201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1065681739 + ... + 1065681834.

Almost surely, 2^102305451504 is an apocalyptic number.

It is an amenable number.

102305451504 is an abundant number, since it is smaller than the sum of its proper divisors (161983631672).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102305451504 is a wasteful number, since it uses less digits than its factorization.

102305451504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2131363584 (or 2131363578 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

Adding to 102305451504 its reverse (405154503201), we get a palindrome (507459954705).

The spelling of 102305451504 in words is "one hundred two billion, three hundred five million, four hundred fifty-one thousand, five hundred four".