142113142 has 8 divisors (see below), whose sum is σ = 214180632. Its totient is φ = 70719600.

The previous prime is 142113109. The next prime is 142113173. The reversal of 142113142 is 241311241.

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

It is a super-2 number, since 2×142113142² = 40392290258224328, 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 3 ways as a sum of consecutive naturals, for example, 167959 + ... + 168802.

It is an arithmetic number, because the mean of its divisors is an integer number (26772579).

Almost surely, 2^142113142 is an apocalyptic number.

142113142 is a deficient number, since it is larger than the sum of its proper divisors (72067490).

142113142 is a wasteful number, since it uses less digits than its factorization.

142113142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336974.

The product of its digits is 192, while the sum is 19.

The square root of 142113142 is about 11921.1216754129. The cubic root of 142113142 is about 521.8488697018.

Adding to 142113142 its reverse (241311241), we get a palindrome (383424383).

The spelling of 142113142 in words is "one hundred forty-two million, one hundred thirteen thousand, one hundred forty-two".