111140144 has 20 divisors (see below), whose sum is σ = 215655840. Its totient is φ = 55487040.

The previous prime is 111140137. The next prime is 111140147. The reversal of 111140144 is 441041111.

It is not an unprimeable number, because it can be changed into a prime (111140147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6674 + ... + 16334.

It is an arithmetic number, because the mean of its divisors is an integer number (10782792).

Almost surely, 2^111140144 is an apocalyptic number.

It is an amenable number.

111140144 is a deficient number, since it is larger than the sum of its proper divisors (104515696).

111140144 is an equidigital number, since it uses as much as digits as its factorization.

111140144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10388 (or 10382 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

The square root of 111140144 is about 10542.3025947845. The cubic root of 111140144 is about 480.7917257941.

Adding to 111140144 its reverse (441041111), we get a palindrome (552181255).

The spelling of 111140144 in words is "one hundred eleven million, one hundred forty thousand, one hundred forty-four".