111340144 has 20 divisors (see below), whose sum is σ = 215999320. Its totient is φ = 55598400.

The previous prime is 111340091. The next prime is 111340181. The reversal of 111340144 is 441043111.

It is a congruent number.

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, 9694 + ... + 17794.

It is an arithmetic number, because the mean of its divisors is an integer number (10799966).

Almost surely, 2^111340144 is an apocalyptic number.

It is an amenable number.

111340144 is a deficient number, since it is larger than the sum of its proper divisors (104659176).

111340144 is an equidigital number, since it uses as much as digits as its factorization.

111340144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8968 (or 8962 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 111340144 is about 10551.7839250053. The cubic root of 111340144 is about 481.0799526501.

Adding to 111340144 its reverse (441043111), we get a palindrome (552383255).

The spelling of 111340144 in words is "one hundred eleven million, three hundred forty thousand, one hundred forty-four".