18048143 has 8 divisors (see below), whose sum is σ = 18452448. Its totient is φ = 17646304.

The previous prime is 18048139. The next prime is 18048161. The reversal of 18048143 is 34184081.

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

It is a cyclic number.

It is not a de Polignac number, because 18048143 - 2² = 18048139 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18048113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26321 + ... + 26997.

It is an arithmetic number, because the mean of its divisors is an integer number (2306556).

Almost surely, 2^18048143 is an apocalyptic number.

18048143 is a deficient number, since it is larger than the sum of its proper divisors (404305).

18048143 is an equidigital number, since it uses as much as digits as its factorization.

18048143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1233.

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 18048143 is about 4248.3106054054. The cubic root of 18048143 is about 262.3075802250.

The spelling of 18048143 in words is "eighteen million, forty-eight thousand, one hundred forty-three".