142183918 has 16 divisors (see below), whose sum is σ = 220446720. Its totient is φ = 68707800.

The previous prime is 142183901. The next prime is 142183919. The reversal of 142183918 is 819381241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142183919) 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, 90423 + ... + 91981.

It is an arithmetic number, because the mean of its divisors is an integer number (13777920).

Almost surely, 2^142183918 is an apocalyptic number.

142183918 is a deficient number, since it is larger than the sum of its proper divisors (78262802).

142183918 is a wasteful number, since it uses less digits than its factorization.

142183918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3063.

The product of its digits is 13824, while the sum is 37.

The square root of 142183918 is about 11924.0898185145. The cubic root of 142183918 is about 521.9354867107.

The spelling of 142183918 in words is "one hundred forty-two million, one hundred eighty-three thousand, nine hundred eighteen".