100100145103244 has 96 divisors (see below), whose sum is σ = 208924985816064. Its totient is φ = 41364054673920.

The previous prime is 100100145103243. The next prime is 100100145103249. The reversal of 100100145103244 is 442301541001001.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (100100145103241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26764397 + ... + 30274299.

It is an arithmetic number, because the mean of its divisors is an integer number (2176301935584).

Almost surely, 2^{100100145103244} is an apocalyptic number.

It is an amenable number.

100100145103244 is an abundant number, since it is smaller than the sum of its proper divisors (108824840712820).

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

100100145103244 is a wasteful number, since it uses less digits than its factorization.

100100145103244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3510687 (or 3510685 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 100100145103244 its reverse (442301541001001), we get a palindrome (542401686104245).

The spelling of 100100145103244 in words is "one hundred trillion, one hundred billion, one hundred forty-five million, one hundred three thousand, two hundred forty-four".