142421612305535 has 16 divisors (see below), whose sum is σ = 170922725387904. Its totient is φ = 113926096829952.

The previous prime is 142421612305451. The next prime is 142421612305541. The reversal of 142421612305535 is 535503216124241.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 142421612305535 - 2²⁰ = 142421611256959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4571666519 + ... + 4571697671.

It is an arithmetic number, because the mean of its divisors is an integer number (10682670336744).

Almost surely, 2^{142421612305535} is an apocalyptic number.

142421612305535 is a deficient number, since it is larger than the sum of its proper divisors (28501113082369).

142421612305535 is a wasteful number, since it uses less digits than its factorization.

142421612305535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91634.

The product of its (nonzero) digits is 864000, while the sum is 44.

Adding to 142421612305535 its reverse (535503216124241), we get a palindrome (677924828429776).

The spelling of 142421612305535 in words is "one hundred forty-two trillion, four hundred twenty-one billion, six hundred twelve million, three hundred five thousand, five hundred thirty-five".