18143124 has 12 divisors (see below), whose sum is σ = 42333984. Its totient is φ = 6047704.

The previous prime is 18143123. The next prime is 18143137. The reversal of 18143124 is 42134181.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 18143094 and 18143103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18143123) 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, 755952 + ... + 755975.

It is an arithmetic number, because the mean of its divisors is an integer number (3527832).

Almost surely, 2^18143124 is an apocalyptic number.

It is an amenable number.

18143124 is an abundant number, since it is smaller than the sum of its proper divisors (24190860).

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

18143124 is a wasteful number, since it uses less digits than its factorization.

18143124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1511934 (or 1511932 counting only the distinct ones).

The product of its digits is 768, while the sum is 24.

The square root of 18143124 is about 4259.4746154896. The cubic root of 18143124 is about 262.7669194245.

The spelling of 18143124 in words is "eighteen million, one hundred forty-three thousand, one hundred twenty-four".