18214142 has 8 divisors (see below), whose sum is σ = 27464832. Its totient is φ = 9059200.

The previous prime is 18214111. The next prime is 18214171. The reversal of 18214142 is 24141281.

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

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, 23459 + ... + 24222.

It is an arithmetic number, because the mean of its divisors is an integer number (3433104).

Almost surely, 2^18214142 is an apocalyptic number.

18214142 is a deficient number, since it is larger than the sum of its proper divisors (9250690).

18214142 is a wasteful number, since it uses less digits than its factorization.

18214142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47874.

The product of its digits is 512, while the sum is 23.

The square root of 18214142 is about 4267.8029476535. The cubic root of 18214142 is about 263.1093243539.

Subtracting from 18214142 its product of digits (512), we obtain a triangular number (18213630 = T₆₀₃₅).

The spelling of 18214142 in words is "eighteen million, two hundred fourteen thousand, one hundred forty-two".