142244031432424 has 8 divisors (see below), whose sum is σ = 266707558935810. Its totient is φ = 71122015716208.

The previous prime is 142244031432397. The next prime is 142244031432427. The reversal of 142244031432424 is 424234130442241.

It can be written as a sum of positive squares in only one way, i.e., 132994635228900 + 9249396203524 = 11532330^2 + 3041282^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (142244031432427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8890251964519 + ... + 8890251964534.

Almost surely, 2^{142244031432424} is an apocalyptic number.

It is an amenable number.

142244031432424 is a deficient number, since it is larger than the sum of its proper divisors (124463527503386).

142244031432424 is a wasteful number, since it uses less digits than its factorization.

142244031432424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17780503929059 (or 17780503929055 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 40.

Adding to 142244031432424 its reverse (424234130442241), we get a palindrome (566478161874665).

The spelling of 142244031432424 in words is "one hundred forty-two trillion, two hundred forty-four billion, thirty-one million, four hundred thirty-two thousand, four hundred twenty-four".