100504320144 has 80 divisors (see below), whose sum is σ = 275028825600. Its totient is φ = 31517009920.

The previous prime is 100504320113. The next prime is 100504320151. The reversal of 100504320144 is 441023405001.

It is a super-2 number, since 2×100504320144² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 1931914 + ... + 1983254.

It is an arithmetic number, because the mean of its divisors is an integer number (3437860320).

Almost surely, 2^100504320144 is an apocalyptic number.

It is an amenable number.

100504320144 is an abundant number, since it is smaller than the sum of its proper divisors (174524505456).

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

100504320144 is a wasteful number, since it uses less digits than its factorization.

100504320144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53768 (or 53762 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 100504320144 its reverse (441023405001), we get a palindrome (541527725145).

The spelling of 100504320144 in words is "one hundred billion, five hundred four million, three hundred twenty thousand, one hundred forty-four".