142424042635021 has 16 divisors (see below), whose sum is σ = 163064023718400. Its totient is φ = 121857619327488.

The previous prime is 142424042635019. The next prime is 142424042635027. The reversal of 142424042635021 is 120536240424241.

It is a cyclic number.

It is not a de Polignac number, because 142424042635021 - 2¹ = 142424042635019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142424042635027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6978525 + ... + 18263293.

It is an arithmetic number, because the mean of its divisors is an integer number (10191501482400).

Almost surely, 2^{142424042635021} is an apocalyptic number.

It is an amenable number.

142424042635021 is a deficient number, since it is larger than the sum of its proper divisors (20639981083379).

142424042635021 is a wasteful number, since it uses less digits than its factorization.

142424042635021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11288028.

The product of its (nonzero) digits is 368640, while the sum is 40.

The spelling of 142424042635021 in words is "one hundred forty-two trillion, four hundred twenty-four billion, forty-two million, six hundred thirty-five thousand, twenty-one".