18002054 has 32 divisors (see below), whose sum is σ = 33094656. Its totient is φ = 7175520.

The previous prime is 18002053. The next prime is 18002059. The reversal of 18002054 is 45020081.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18002051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11159 + ... + 12669.

It is an arithmetic number, because the mean of its divisors is an integer number (1034208).

Almost surely, 2^18002054 is an apocalyptic number.

18002054 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

18002054 is a deficient number, since it is larger than the sum of its proper divisors (15092602).

18002054 is a wasteful number, since it uses less digits than its factorization.

18002054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1580.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 18002054 is about 4242.8827464355. The cubic root of 18002054 is about 262.0841075655.

The spelling of 18002054 in words is "eighteen million, two thousand, fifty-four".