18149124 has 24 divisors (see below), whose sum is σ = 48397888. Its totient is φ = 5185440.

The previous prime is 18149119. The next prime is 18149171. The reversal of 18149124 is 42194181.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 18149091 and 18149100.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107947 + ... + 108114.

Almost surely, 2^18149124 is an apocalyptic number.

18149124 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

18149124 is an abundant number, since it is smaller than the sum of its proper divisors (30248764).

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

18149124 is a wasteful number, since it uses less digits than its factorization.

18149124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216075 (or 216073 counting only the distinct ones).

The product of its digits is 2304, while the sum is 30.

The square root of 18149124 is about 4260.1788694842. The cubic root of 18149124 is about 262.7958822380.

The spelling of 18149124 in words is "eighteen million, one hundred forty-nine thousand, one hundred twenty-four".