18014548 has 6 divisors (see below), whose sum is σ = 31525466. Its totient is φ = 9007272.

The previous prime is 18014537. The next prime is 18014567. The reversal of 18014548 is 84541081.

It can be written as a sum of positive squares in only one way, i.e., 10163344 + 7851204 = 3188^2 + 2802^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2251815 + ... + 2251822.

Almost surely, 2^18014548 is an apocalyptic number.

It is an amenable number.

18014548 is a deficient number, since it is larger than the sum of its proper divisors (13510918).

18014548 is a wasteful number, since it uses less digits than its factorization.

18014548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4503641 (or 4503639 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 31.

The square root of 18014548 is about 4244.3548390774. The cubic root of 18014548 is about 262.1447251224.

The spelling of 18014548 in words is "eighteen million, fourteen thousand, five hundred forty-eight".