18245028 has 24 divisors (see below), whose sum is σ = 42857920. Its totient is φ = 6040800.

The previous prime is 18245023. The next prime is 18245047. The reversal of 18245028 is 82054281.

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 = 18244986 and 18245004.

It is not an unprimeable number, because it can be changed into a prime (18245023) 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, 3223 + ... + 6846.

Almost surely, 2^18245028 is an apocalyptic number.

It is an amenable number.

18245028 is an abundant number, since it is smaller than the sum of its proper divisors (24612892).

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

18245028 is a wasteful number, since it uses less digits than its factorization.

18245028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10227 (or 10225 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 30.

The square root of 18245028 is about 4271.4199044346. The cubic root of 18245028 is about 263.2579598769.

The spelling of 18245028 in words is "eighteen million, two hundred forty-five thousand, twenty-eight".