142212440142 has 12 divisors (see below), whose sum is σ = 308126953680. Its totient is φ = 47404146708.

The previous prime is 142212440099. The next prime is 142212440173. The reversal of 142212440142 is 241044212241.

142212440142 is a `hidden beast` number, since 1 + 4 + 2 + 212 + 4 + 401 + 42 = 666.

It is a super-2 number, since 2×142212440142² (a number of 23 digits) 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 5 ways as a sum of consecutive naturals, for example, 3950345542 + ... + 3950345577.

It is an arithmetic number, because the mean of its divisors is an integer number (25677246140).

Almost surely, 2^142212440142 is an apocalyptic number.

142212440142 is an abundant number, since it is smaller than the sum of its proper divisors (165914513538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142212440142 is a wasteful number, since it uses less digits than its factorization.

142212440142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7900691127 (or 7900691124 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 27.

Adding to 142212440142 its reverse (241044212241), we get a palindrome (383256652383).

The spelling of 142212440142 in words is "one hundred forty-two billion, two hundred twelve million, four hundred forty thousand, one hundred forty-two".