100044544 has 36 divisors (see below), whose sum is σ = 201988080. Its totient is φ = 49448960.

The previous prime is 100044521. The next prime is 100044547. The reversal of 100044544 is 445440001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100044547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20589 + ... + 24979.

It is an arithmetic number, because the mean of its divisors is an integer number (5610780).

Almost surely, 2^100044544 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100044544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100994040).

100044544 is an abundant number, since it is smaller than the sum of its proper divisors (101943536).

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

100044544 is an frugal number, since it uses more digits than its factorization.

100044544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4496 (or 4482 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 100044544 is about 10002.2269520342. The cubic root of 100044544 is about 464.2277914418.

Adding to 100044544 its reverse (445440001), we get a palindrome (545484545).

The spelling of 100044544 in words is "one hundred million, forty-four thousand, five hundred forty-four".