18470142 has 12 divisors (see below), whose sum is σ = 40018680. Its totient is φ = 6156708.

The previous prime is 18470113. The next prime is 18470161. The reversal of 18470142 is 24107481.

It is a super-2 number, since 2×18470142² = 682292291000328, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 513042 + ... + 513077.

It is an arithmetic number, because the mean of its divisors is an integer number (3334890).

Almost surely, 2^18470142 is an apocalyptic number.

18470142 is an abundant number, since it is smaller than the sum of its proper divisors (21548538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18470142 is a wasteful number, since it uses less digits than its factorization.

18470142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1026127 (or 1026124 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 18470142 is about 4297.6903099223. The cubic root of 18470142 is about 264.3362622852.

The spelling of 18470142 in words is "eighteen million, four hundred seventy thousand, one hundred forty-two".