142242144612 has 24 divisors (see below), whose sum is σ = 331965297216. Its totient is φ = 47404482528.

The previous prime is 142242144589. The next prime is 142242144637. The reversal of 142242144612 is 216441242241.

It is a super-2 number, since 2×142242144612² (a number of 23 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

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, 1133623 + ... + 1252830.

It is an arithmetic number, because the mean of its divisors is an integer number (13831887384).

Almost surely, 2^142242144612 is an apocalyptic number.

142242144612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

142242144612 is an abundant number, since it is smaller than the sum of its proper divisors (189723152604).

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

142242144612 is a wasteful number, since it uses less digits than its factorization.

142242144612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2391427 (or 2391425 counting only the distinct ones).

The product of its digits is 24576, while the sum is 33.

Adding to 142242144612 its reverse (216441242241), we get a palindrome (358683386853).

The spelling of 142242144612 in words is "one hundred forty-two billion, two hundred forty-two million, one hundred forty-four thousand, six hundred twelve".