18154 has 8 divisors (see below), whose sum is σ = 28260. Its totient is φ = 8736.

The previous prime is 18149. The next prime is 18169. The reversal of 18154 is 45181.

It can be written as a sum of positive squares in 2 ways, for example, as 16129 + 2025 = 127^2 + 45^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a plaindrome in base 14.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99 + ... + 214.

2¹⁸¹⁵⁴ is an apocalyptic number.

18154 is a deficient number, since it is larger than the sum of its proper divisors (10106).

18154 is a wasteful number, since it uses less digits than its factorization.

18154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344.

The product of its digits is 160, while the sum is 19.

The square root of 18154 is about 134.7367804276. The cubic root of 18154 is about 26.2819414650.

It can be divided in two parts, 1815 and 4, that multiplied together give a triangular number (7260 = T₁₂₀).

The spelling of 18154 in words is "eighteen thousand, one hundred fifty-four".