142312142 has 8 divisors (see below), whose sum is σ = 243963696. Its totient is φ = 60990912.

The previous prime is 142312129. The next prime is 142312153. The reversal of 142312142 is 241213241.

142312142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

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, 5082563 + ... + 5082590.

It is an arithmetic number, because the mean of its divisors is an integer number (30495462).

Almost surely, 2^142312142 is an apocalyptic number.

142312142 is a deficient number, since it is larger than the sum of its proper divisors (101651554).

142312142 is a wasteful number, since it uses less digits than its factorization.

142312142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10165162.

The product of its digits is 384, while the sum is 20.

The square root of 142312142 is about 11929.4652855859. The cubic root of 142312142 is about 522.0923364888.

Adding to 142312142 its reverse (241213241), we get a palindrome (383525383).

The spelling of 142312142 in words is "one hundred forty-two million, three hundred twelve thousand, one hundred forty-two".