111441444 has 48 divisors (see below), whose sum is σ = 269680320. Its totient is φ = 35791360.

The previous prime is 111441437. The next prime is 111441469. The reversal of 111441444 is 444144111.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39472 + ... + 42200.

It is an arithmetic number, because the mean of its divisors is an integer number (5618340).

Almost surely, 2^111441444 is an apocalyptic number.

It is an amenable number.

111441444 is an abundant number, since it is smaller than the sum of its proper divisors (158238876).

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

111441444 is a wasteful number, since it uses less digits than its factorization.

111441444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2860 (or 2858 counting only the distinct ones).

The product of its digits is 1024, while the sum is 24.

The square root of 111441444 is about 10556.5829698819. The cubic root of 111441444 is about 481.2258078804.

Adding to 111441444 its reverse (444144111), we get a palindrome (555585555).

The spelling of 111441444 in words is "one hundred eleven million, four hundred forty-one thousand, four hundred forty-four".