18345048 has 32 divisors (see below), whose sum is σ = 45975600. Its totient is φ = 6099968.

The previous prime is 18345037. The next prime is 18345071. The reversal of 18345048 is 84054381.

It is a super-2 number, since 2×18345048² = 673081572244608, which contains 22 as substring.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 13588 + ... + 14876.

Almost surely, 2^18345048 is an apocalyptic number.

It is an amenable number.

18345048 is an abundant number, since it is smaller than the sum of its proper divisors (27630552).

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

18345048 is a wasteful number, since it uses less digits than its factorization.

18345048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1891 (or 1887 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 18345048 is about 4283.1119527745. Note that the first 3 decimals coincide. The cubic root of 18345048 is about 263.7381471579.

The spelling of 18345048 in words is "eighteen million, three hundred forty-five thousand, forty-eight".