142031244232434 has 16 divisors (see below), whose sum is σ = 288302227099488. Its totient is φ = 46637124971712.

The previous prime is 142031244232399. The next prime is 142031244232439. The reversal of 142031244232434 is 434232442130241.

It is a junction number, because it is equal to n+sod(n) for n = 142031244232392 and 142031244232401.

It is not an unprimeable number, because it can be changed into a prime (142031244232439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 176655776007 + ... + 176655776810.

It is an arithmetic number, because the mean of its divisors is an integer number (18018889193718).

Almost surely, 2^{142031244232434} is an apocalyptic number.

142031244232434 is an abundant number, since it is smaller than the sum of its proper divisors (146270982867054).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142031244232434 is a wasteful number, since it uses less digits than its factorization.

142031244232434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353311552889.

The product of its (nonzero) digits is 442368, while the sum is 39.

Adding to 142031244232434 its reverse (434232442130241), we get a palindrome (576263686362675).

The spelling of 142031244232434 in words is "one hundred forty-two trillion, thirty-one billion, two hundred forty-four million, two hundred thirty-two thousand, four hundred thirty-four".