100305444 has 12 divisors (see below), whose sum is σ = 234046064. Its totient is φ = 33435144.

The previous prime is 100305437. The next prime is 100305451. The reversal of 100305444 is 444503001.

It is an interprime number because it is at equal distance from previous prime (100305437) and next prime (100305451).

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

It is a super-2 number, since 2×100305444² = 20122364192074272, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 100305444.

It is an unprimeable number.

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, 4179382 + ... + 4179405.

Almost surely, 2^100305444 is an apocalyptic number.

It is an amenable number.

100305444 is an abundant number, since it is smaller than the sum of its proper divisors (133740620).

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

100305444 is a wasteful number, since it uses less digits than its factorization.

100305444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8358794 (or 8358792 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 100305444 is about 10015.2605557719. The cubic root of 100305444 is about 464.6309848384.

Adding to 100305444 its reverse (444503001), we get a palindrome (544808445).

The spelling of 100305444 in words is "one hundred million, three hundred five thousand, four hundred forty-four".