142440504342 has 16 divisors (see below), whose sum is σ = 284884723200. Its totient is φ = 47479549032.

The previous prime is 142440504329. The next prime is 142440504379. The reversal of 142440504342 is 243405044241.

It is a congruent number.

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, 756159 + ... + 925557.

It is an arithmetic number, because the mean of its divisors is an integer number (17805295200).

Almost surely, 2^142440504342 is an apocalyptic number.

142440504342 is an abundant number, since it is smaller than the sum of its proper divisors (142444218858).

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

142440504342 is a wasteful number, since it uses less digits than its factorization.

142440504342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309547.

The product of its (nonzero) digits is 61440, while the sum is 33.

Adding to 142440504342 its reverse (243405044241), we get a palindrome (385845548583).

The spelling of 142440504342 in words is "one hundred forty-two billion, four hundred forty million, five hundred four thousand, three hundred forty-two".