18268142 has 8 divisors (see below), whose sum is σ = 27426000. Its totient is φ = 9126144.

The previous prime is 18268123. The next prime is 18268157. The reversal of 18268142 is 24186281.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 18268099 and 18268108.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 467 + ... + 6062.

It is an arithmetic number, because the mean of its divisors is an integer number (3428250).

Almost surely, 2^18268142 is an apocalyptic number.

18268142 is a deficient number, since it is larger than the sum of its proper divisors (9157858).

18268142 is a wasteful number, since it uses less digits than its factorization.

18268142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7930.

The product of its digits is 6144, while the sum is 32.

The square root of 18268142 is about 4274.1247057146. The cubic root of 18268142 is about 263.3690837895.

The spelling of 18268142 in words is "eighteen million, two hundred sixty-eight thousand, one hundred forty-two".