142340321244 has 96 divisors (see below), whose sum is σ = 365160886272. Its totient is φ = 42796512000.

The previous prime is 142340321213. The next prime is 142340321287. The reversal of 142340321244 is 442123043241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10002054 + ... + 10016274.

It is an arithmetic number, because the mean of its divisors is an integer number (3803759232).

Almost surely, 2^142340321244 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142340321244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (182580443136).

142340321244 is an abundant number, since it is smaller than the sum of its proper divisors (222820565028).

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

142340321244 is a wasteful number, since it uses less digits than its factorization.

142340321244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14827 (or 14825 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 142340321244 its reverse (442123043241), we get a palindrome (584463364485).

The spelling of 142340321244 in words is "one hundred forty-two billion, three hundred forty million, three hundred twenty-one thousand, two hundred forty-four".