18014454 has 32 divisors (see below), whose sum is σ = 40212480. Its totient is φ = 5977800.

The previous prime is 18014417. The next prime is 18014471. The reversal of 18014454 is 45441081.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14019 + ... + 15249.

It is an arithmetic number, because the mean of its divisors is an integer number (1256640).

Almost surely, 2^18014454 is an apocalyptic number.

18014454 is an abundant number, since it is smaller than the sum of its proper divisors (22198026).

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

18014454 is a wasteful number, since it uses less digits than its factorization.

18014454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1513 (or 1507 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

The square root of 18014454 is about 4244.3437655308. The cubic root of 18014454 is about 262.1442691642.

The spelling of 18014454 in words is "eighteen million, fourteen thousand, four hundred fifty-four".