142300031232442 has 8 divisors (see below), whose sum is σ = 219218967033876. Its totient is φ = 69227042221152.

The previous prime is 142300031232439. The next prime is 142300031232461. The reversal of 142300031232442 is 244232130003241.

It can be written as a sum of positive squares in 2 ways, for example, as 142236178490961 + 63852741481 = 11926281^2 + 252691^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 961486697443 + ... + 961486697590.

Almost surely, 2^{142300031232442} is an apocalyptic number.

142300031232442 is a deficient number, since it is larger than the sum of its proper divisors (76918935801434).

142300031232442 is a wasteful number, since it uses less digits than its factorization.

142300031232442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1922973395072.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 142300031232442 its reverse (244232130003241), we get a palindrome (386532161235683).

The spelling of 142300031232442 in words is "one hundred forty-two trillion, three hundred billion, thirty-one million, two hundred thirty-two thousand, four hundred forty-two".