100144444 has 12 divisors (see below), whose sum is σ = 175329000. Its totient is φ = 50050448.

The previous prime is 100144411. The next prime is 100144481. The reversal of 100144444 is 444441001.

It is a happy number.

It is a congruent number.

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, 9402 + ... + 16990.

It is an arithmetic number, because the mean of its divisors is an integer number (14610750).

Almost surely, 2^100144444 is an apocalyptic number.

It is an amenable number.

100144444 is a deficient number, since it is larger than the sum of its proper divisors (75184556).

100144444 is a wasteful number, since it uses less digits than its factorization.

100144444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10892 (or 10890 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 100144444 is about 10007.2195938732. The cubic root of 100144444 is about 464.3822590640.

Adding to 100144444 its reverse (444441001), we get a palindrome (544585445).

It can be divided in two parts, 1001 and 44444, that multiplied together give a palindrome (44488444).

The spelling of 100144444 in words is "one hundred million, one hundred forty-four thousand, four hundred forty-four".