111230144 has 28 divisors (see below), whose sum is σ = 221263464. Its totient is φ = 55478784.

The previous prime is 111230143. The next prime is 111230159. The reversal of 111230144 is 441032111.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (111230143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27347 + ... + 31149.

Almost surely, 2^111230144 is an apocalyptic number.

It is an amenable number.

111230144 is a deficient number, since it is larger than the sum of its proper divisors (110033320).

111230144 is an equidigital number, since it uses as much as digits as its factorization.

111230144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4272 (or 4262 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 111230144 is about 10546.5702481897. The cubic root of 111230144 is about 480.9214706335.

Adding to 111230144 its reverse (441032111), we get a palindrome (552262255).

The spelling of 111230144 in words is "one hundred eleven million, two hundred thirty thousand, one hundred forty-four".