18144006 has 16 divisors (see below), whose sum is σ = 36554544. Its totient is φ = 6003584.

The previous prime is 18144001. The next prime is 18144011. The reversal of 18144006 is 60044181.

It is an interprime number because it is at equal distance from previous prime (18144001) and next prime (18144011).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18144001) by changing a digit.

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, 10215 + ... + 11858.

It is an arithmetic number, because the mean of its divisors is an integer number (2284659).

Almost surely, 2^18144006 is an apocalyptic number.

18144006 is an abundant number, since it is smaller than the sum of its proper divisors (18410538).

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

18144006 is a wasteful number, since it uses less digits than its factorization.

18144006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22215.

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

The square root of 18144006 is about 4259.5781481269. The cubic root of 18144006 is about 262.7711773583.

Adding to 18144006 its reverse (60044181), we get a palindrome (78188187).

The spelling of 18144006 in words is "eighteen million, one hundred forty-four thousand, six".