111443244 has 48 divisors (see below), whose sum is σ = 287930496. Its totient is φ = 33264000.

The previous prime is 111443243. The next prime is 111443261. The reversal of 111443244 is 442344111.

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

It is not an unprimeable number, because it can be changed into a prime (111443243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2544 + ... + 15144.

It is an arithmetic number, because the mean of its divisors is an integer number (5998552).

Almost surely, 2^111443244 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111443244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143965248).

111443244 is an abundant number, since it is smaller than the sum of its proper divisors (176487252).

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

111443244 is a wasteful number, since it uses less digits than its factorization.

111443244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12686 (or 12684 counting only the distinct ones).

The product of its digits is 1536, while the sum is 24.

The square root of 111443244 is about 10556.6682243973. The cubic root of 111443244 is about 481.2283987831.

Adding to 111443244 its reverse (442344111), we get a palindrome (553787355).

The spelling of 111443244 in words is "one hundred eleven million, four hundred forty-three thousand, two hundred forty-four".