142023142 has 16 divisors (see below), whose sum is σ = 215086032. Its totient is φ = 70331040.

The previous prime is 142023097. The next prime is 142023181. The reversal of 142023142 is 241320241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138592 + ... + 139612.

It is an arithmetic number, because the mean of its divisors is an integer number (13442877).

Almost surely, 2^142023142 is an apocalyptic number.

142023142 is a deficient number, since it is larger than the sum of its proper divisors (73062890).

142023142 is a wasteful number, since it uses less digits than its factorization.

142023142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1623.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 142023142 is about 11917.3462650038. The cubic root of 142023142 is about 521.7386844515.

Adding to 142023142 its reverse (241320241), we get a palindrome (383343383).

The spelling of 142023142 in words is "one hundred forty-two million, twenty-three thousand, one hundred forty-two".