18277142 has 16 divisors (see below), whose sum is σ = 31262112. Its totient is φ = 7939200.

The previous prime is 18277141. The next prime is 18277151. The reversal of 18277142 is 24177281.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 18277099 and 18277108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18277141) 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, 20234 + ... + 21117.

It is an arithmetic number, because the mean of its divisors is an integer number (1953882).

Almost surely, 2^18277142 is an apocalyptic number.

18277142 is a deficient number, since it is larger than the sum of its proper divisors (12984970).

18277142 is a wasteful number, since it uses less digits than its factorization.

18277142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41383.

The product of its digits is 6272, while the sum is 32.

The square root of 18277142 is about 4275.1774232188. The cubic root of 18277142 is about 263.4123272422.

The spelling of 18277142 in words is "eighteen million, two hundred seventy-seven thousand, one hundred forty-two".