18144112 has 30 divisors (see below), whose sum is σ = 40895448. Its totient is φ = 7775712.

The previous prime is 18144089. The next prime is 18144131. The reversal of 18144112 is 21144181.

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10788 + ... + 12355.

Almost surely, 2^18144112 is an apocalyptic number.

It is an amenable number.

18144112 is an abundant number, since it is smaller than the sum of its proper divisors (22751336).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18144112 is a wasteful number, since it uses less digits than its factorization.

18144112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23165 (or 23152 counting only the distinct ones).

The product of its digits is 256, while the sum is 22.

The square root of 18144112 is about 4259.5905906554. The cubic root of 18144112 is about 262.7716890735.

Adding to 18144112 its reverse (21144181), we get a palindrome (39288293).

The spelling of 18144112 in words is "eighteen million, one hundred forty-four thousand, one hundred twelve".