142402302231242 has 16 divisors (see below), whose sum is σ = 218836372412160. Its totient is φ = 69466402604208.

The previous prime is 142402302231209. The next prime is 142402302231257. The reversal of 142402302231242 is 242132203204241.

It is a junction number, because it is equal to n+sod(n) for n = 142402302231199 and 142402302231208.

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, 2389430942 + ... + 2389490537.

It is an arithmetic number, because the mean of its divisors is an integer number (13677273275760).

Almost surely, 2^{142402302231242} is an apocalyptic number.

142402302231242 is a deficient number, since it is larger than the sum of its proper divisors (76434070180918).

142402302231242 is a wasteful number, since it uses less digits than its factorization.

142402302231242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4778921845.

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 142402302231242 its reverse (242132203204241), we get a palindrome (384534505435483).

The spelling of 142402302231242 in words is "one hundred forty-two trillion, four hundred two billion, three hundred two million, two hundred thirty-one thousand, two hundred forty-two".