100044436 has 12 divisors (see below), whose sum is σ = 175576212. Its totient is φ = 49879808.

The previous prime is 100044433. The next prime is 100044479. The reversal of 100044436 is 634440001.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 66520336 + 33524100 = 8156^2 + 5790^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100044431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34015 + ... + 36838.

It is an arithmetic number, because the mean of its divisors is an integer number (14631351).

Almost surely, 2^100044436 is an apocalyptic number.

It is an amenable number.

100044436 is a deficient number, since it is larger than the sum of its proper divisors (75531776).

100044436 is a wasteful number, since it uses less digits than its factorization.

100044436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71210 (or 71208 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 100044436 is about 10002.2215532351. The cubic root of 100044436 is about 464.2276243942.

Adding to 100044436 its reverse (634440001), we get a palindrome (734484437).

The spelling of 100044436 in words is "one hundred million, forty-four thousand, four hundred thirty-six".