142344203442 has 32 divisors (see below), whose sum is σ = 326468644992. Its totient is φ = 40530964224.

The previous prime is 142344203423. The next prime is 142344203479. The reversal of 142344203442 is 244302443241.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5771223 + ... + 5795834.

It is an arithmetic number, because the mean of its divisors is an integer number (10202145156).

Almost surely, 2^142344203442 is an apocalyptic number.

142344203442 is an abundant number, since it is smaller than the sum of its proper divisors (184124441550).

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

142344203442 is a wasteful number, since it uses less digits than its factorization.

142344203442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11567362.

The product of its (nonzero) digits is 73728, while the sum is 33.

Adding to 142344203442 its reverse (244302443241), we get a palindrome (386646646683).

The spelling of 142344203442 in words is "one hundred forty-two billion, three hundred forty-four million, two hundred three thousand, four hundred forty-two".