111143344 has 40 divisors (see below), whose sum is σ = 236859840. Its totient is φ = 50201088.

The previous prime is 111143323. The next prime is 111143363. The reversal of 111143344 is 443341111.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4092 + ... + 15460.

It is an arithmetic number, because the mean of its divisors is an integer number (5921496).

Almost surely, 2^111143344 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 111143344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118429920).

111143344 is an abundant number, since it is smaller than the sum of its proper divisors (125716496).

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

111143344 is a wasteful number, since it uses less digits than its factorization.

111143344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11437 (or 11431 counting only the distinct ones).

The product of its digits is 576, while the sum is 22.

The square root of 111143344 is about 10542.4543631927. The cubic root of 111143344 is about 480.7963401447.

Adding to 111143344 its reverse (443341111), we get a palindrome (554484455).

It can be divided in two parts, 1111 and 43344, that multiplied together give a palindrome (48155184).

The spelling of 111143344 in words is "one hundred eleven million, one hundred forty-three thousand, three hundred forty-four".