18124146 has 12 divisors (see below), whose sum is σ = 39269022. Its totient is φ = 6041376.

The previous prime is 18124123. The next prime is 18124153. The reversal of 18124146 is 64142181.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 16719921 + 1404225 = 4089^2 + 1185^2 .

It is a Curzon number.

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 5 ways as a sum of consecutive naturals, for example, 503431 + ... + 503466.

Almost surely, 2^18124146 is an apocalyptic number.

18124146 is an abundant number, since it is smaller than the sum of its proper divisors (21144876).

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

18124146 is a wasteful number, since it uses less digits than its factorization.

18124146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1006905 (or 1006902 counting only the distinct ones).

The product of its digits is 1536, while the sum is 27.

The square root of 18124146 is about 4257.2462930866. The cubic root of 18124146 is about 262.6752679837.

The spelling of 18124146 in words is "eighteen million, one hundred twenty-four thousand, one hundred forty-six".