18094143 has 8 divisors (see below), whose sum is σ = 24169648. Its totient is φ = 12040704.

The previous prime is 18094129. The next prime is 18094157. The reversal of 18094143 is 34149081.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (18094129) and next prime (18094157).

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

It is not a de Polignac number, because 18094143 - 2¹⁶ = 18028607 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 18094143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18094183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3496 + ... + 6957.

It is an arithmetic number, because the mean of its divisors is an integer number (3021206).

Almost surely, 2^18094143 is an apocalyptic number.

18094143 is a deficient number, since it is larger than the sum of its proper divisors (6075505).

18094143 is a wasteful number, since it uses less digits than its factorization.

18094143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11033.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 18094143 is about 4253.7210768926. The cubic root of 18094143 is about 262.5302423207.

The spelling of 18094143 in words is "eighteen million, ninety-four thousand, one hundred forty-three".