100415244 has 12 divisors (see below), whose sum is σ = 234302264. Its totient is φ = 33471744.

The previous prime is 100415233. The next prime is 100415321. The reversal of 100415244 is 442514001.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 100415244.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4183957 + ... + 4183980.

Almost surely, 2^100415244 is an apocalyptic number.

It is an amenable number.

100415244 is an abundant number, since it is smaller than the sum of its proper divisors (133887020).

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

100415244 is a wasteful number, since it uses less digits than its factorization.

100415244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8367944 (or 8367942 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 100415244 is about 10020.7406911865. The cubic root of 100415244 is about 464.8004601139.

Adding to 100415244 its reverse (442514001), we get a palindrome (542929245).

The spelling of 100415244 in words is "one hundred million, four hundred fifteen thousand, two hundred forty-four".