18145792 has 80 divisors (see below), whose sum is σ = 42622272. Its totient is φ = 7557120.

The previous prime is 18145763. The next prime is 18145801. The reversal of 18145792 is 29754181.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 218583 + ... + 218665.

Almost surely, 2^18145792 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18145792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21311136).

18145792 is an abundant number, since it is smaller than the sum of its proper divisors (24476480).

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

18145792 is an frugal number, since it uses more digits than its factorization.

18145792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169 (or 153 counting only the distinct ones).

The product of its digits is 20160, while the sum is 37.

The square root of 18145792 is about 4259.7877881416. The cubic root of 18145792 is about 262.7797990105.

The spelling of 18145792 in words is "eighteen million, one hundred forty-five thousand, seven hundred ninety-two".