111604144 has 20 divisors (see below), whose sum is σ = 217564696. Its totient is φ = 55458432.

The previous prime is 111604139. The next prime is 111604147. The reversal of 111604144 is 441406111.

It is not an unprimeable number, because it can be changed into a prime (111604147) 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, 18789 + ... + 24004.

Almost surely, 2^111604144 is an apocalyptic number.

It is an amenable number.

111604144 is a deficient number, since it is larger than the sum of its proper divisors (105960552).

111604144 is a wasteful number, since it uses less digits than its factorization.

111604144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42964 (or 42958 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 111604144 is about 10564.2862513281. The cubic root of 111604144 is about 481.4598840741.

The spelling of 111604144 in words is "one hundred eleven million, six hundred four thousand, one hundred forty-four".