142435135244251 has 8 divisors (see below), whose sum is σ = 146453990546160. Its totient is φ = 138465591050592.

The previous prime is 142435135244239. The next prime is 142435135244273. The reversal of 142435135244251 is 152442531534241.

142435135244251 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 142435135244251 - 2²³ = 142435126855643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142435135244221) 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, 12327771205 + ... + 12327782758.

It is an arithmetic number, because the mean of its divisors is an integer number (18306748818270).

Almost surely, 2^{142435135244251} is an apocalyptic number.

142435135244251 is a deficient number, since it is larger than the sum of its proper divisors (4018855301909).

142435135244251 is a wasteful number, since it uses less digits than its factorization.

142435135244251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24655554125.

The product of its digits is 2304000, while the sum is 46.

Adding to 142435135244251 its reverse (152442531534241), we get a palindrome (294877666778492).

The spelling of 142435135244251 in words is "one hundred forty-two trillion, four hundred thirty-five billion, one hundred thirty-five million, two hundred forty-four thousand, two hundred fifty-one".