111645104 has 20 divisors (see below), whose sum is σ = 217768800. Its totient is φ = 55446720.

The previous prime is 111645101. The next prime is 111645109. The reversal of 111645104 is 401546111.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 111645104.

It is not an unprimeable number, because it can be changed into a prime (111645101) by changing a digit.

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, 21032 + ... + 25799.

It is an arithmetic number, because the mean of its divisors is an integer number (10888440).

Almost surely, 2^111645104 is an apocalyptic number.

It is an amenable number.

111645104 is a deficient number, since it is larger than the sum of its proper divisors (106123696).

111645104 is a wasteful number, since it uses less digits than its factorization.

111645104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46988 (or 46982 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 111645104 is about 10566.2246805564. The cubic root of 111645104 is about 481.5187773018.

The spelling of 111645104 in words is "one hundred eleven million, six hundred forty-five thousand, one hundred four".