111230645 has 16 divisors (see below), whose sum is σ = 139570560. Its totient is φ = 84938304.

The previous prime is 111230629. The next prime is 111230671. The reversal of 111230645 is 546032111.

It is a cyclic number.

It is not a de Polignac number, because 111230645 - 2⁴ = 111230629 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a self number, because there is not a number n which added to its sum of digits gives 111230645.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89891 + ... + 91119.

It is an arithmetic number, because the mean of its divisors is an integer number (8723160).

Almost surely, 2^111230645 is an apocalyptic number.

It is an amenable number.

111230645 is a deficient number, since it is larger than the sum of its proper divisors (28339915).

111230645 is a wasteful number, since it uses less digits than its factorization.

111230645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2044.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 111230645 is about 10546.5939999604. The cubic root of 111230645 is about 480.9221926838.

Adding to 111230645 its reverse (546032111), we get a palindrome (657262756).

The spelling of 111230645 in words is "one hundred eleven million, two hundred thirty thousand, six hundred forty-five".