142344212042 has 16 divisors (see below), whose sum is σ = 219302841960. Its totient is φ = 69243542208.

The previous prime is 142344212033. The next prime is 142344212057. The reversal of 142344212042 is 240212443241.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 138027853441 + 4316358601 = 371521^2 + 65699^2 .

It is a junction number, because it is equal to n+sod(n) for n = 142344211996 and 142344212014.

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 7 ways as a sum of consecutive naturals, for example, 1095008 + ... + 1218084.

Almost surely, 2^142344212042 is an apocalyptic number.

142344212042 is a deficient number, since it is larger than the sum of its proper divisors (76958629918).

142344212042 is a wasteful number, since it uses less digits than its factorization.

142344212042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138745.

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 142344212042 its reverse (240212443241), we get a palindrome (382556655283).

The spelling of 142344212042 in words is "one hundred forty-two billion, three hundred forty-four million, two hundred twelve thousand, forty-two".