100005044 has 12 divisors (see below), whose sum is σ = 175219044. Its totient is φ = 49942464.

The previous prime is 100005041. The next prime is 100005083. The reversal of 100005044 is 440500001.

It can be written as a sum of positive squares in 2 ways, for example, as 50836900 + 49168144 = 7130^2 + 7012^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100005041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11159 + ... + 18014.

It is an arithmetic number, because the mean of its divisors is an integer number (14601587).

Almost surely, 2^100005044 is an apocalyptic number.

It is an amenable number.

100005044 is a deficient number, since it is larger than the sum of its proper divisors (75214000).

100005044 is a wasteful number, since it uses less digits than its factorization.

100005044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30034 (or 30032 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 100005044 is about 10000.2521968198. The cubic root of 100005044 is about 464.1666872881.

Adding to 100005044 its reverse (440500001), we get a palindrome (540505045).

The spelling of 100005044 in words is "one hundred million, five thousand, forty-four".