142242142 has 24 divisors (see below), whose sum is σ = 248600016. Its totient is φ = 59794176.

The previous prime is 142242137. The next prime is 142242169. The reversal of 142242142 is 241242241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37518 + ... + 41134.

It is an arithmetic number, because the mean of its divisors is an integer number (10358334).

Almost surely, 2^142242142 is an apocalyptic number.

142242142 is a deficient number, since it is larger than the sum of its proper divisors (106357874).

142242142 is an equidigital number, since it uses as much as digits as its factorization.

142242142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3732 (or 3679 counting only the distinct ones).

The product of its digits is 1024, while the sum is 22.

The square root of 142242142 is about 11926.5310128302. The cubic root of 142242142 is about 522.0067207974.

Adding to 142242142 its reverse (241242241), we get a palindrome (383484383).

Subtracting 142242142 from its reverse (241242241), we obtain a palindrome (99000099).

The spelling of 142242142 in words is "one hundred forty-two million, two hundred forty-two thousand, one hundred forty-two".