18245548 has 12 divisors (see below), whose sum is σ = 33610360. Its totient is φ = 8642592.

The previous prime is 18245503. The next prime is 18245581. The reversal of 18245548 is 84554281.

It is a plaindrome in base 16.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119961 + ... + 120112.

Almost surely, 2^18245548 is an apocalyptic number.

It is an amenable number.

18245548 is a deficient number, since it is larger than the sum of its proper divisors (15364812).

18245548 is a wasteful number, since it uses less digits than its factorization.

18245548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240096 (or 240094 counting only the distinct ones).

The product of its digits is 51200, while the sum is 37.

The square root of 18245548 is about 4271.4807736896. The cubic root of 18245548 is about 263.2604608841.

The spelling of 18245548 in words is "eighteen million, two hundred forty-five thousand, five hundred forty-eight".