142352423541442 has 32 divisors (see below), whose sum is σ = 227942986136112. Its totient is φ = 66442326441984.

The previous prime is 142352423541407. The next prime is 142352423541533. The reversal of 142352423541442 is 244145324253241.

It can be written as a sum of positive squares in 8 ways, for example, as 61790148570241 + 80562274971201 = 7860671^2 + 8975649^2 .

It is a junction number, because it is equal to n+sod(n) for n = 142352423541392 and 142352423541401.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32923683 + ... + 36995590.

Almost surely, 2^{142352423541442} is an apocalyptic number.

142352423541442 is a deficient number, since it is larger than the sum of its proper divisors (85590562594670).

142352423541442 is a wasteful number, since it uses less digits than its factorization.

142352423541442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69919782.

The product of its digits is 3686400, while the sum is 46.

Adding to 142352423541442 its reverse (244145324253241), we get a palindrome (386497747794683).

The spelling of 142352423541442 in words is "one hundred forty-two trillion, three hundred fifty-two billion, four hundred twenty-three million, five hundred forty-one thousand, four hundred forty-two".