142303020152513 has 4 divisors (see below), whose sum is σ = 155239658348208. Its totient is φ = 129366381956820.

The previous prime is 142303020152497. The next prime is 142303020152581. The reversal of 142303020152513 is 315251020303241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 142303020152513 - 2⁴ = 142303020152497 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 142303020152513.

It is not an unprimeable number, because it can be changed into a prime (142303020152113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6468319097831 + ... + 6468319097852.

It is an arithmetic number, because the mean of its divisors is an integer number (38809914587052).

Almost surely, 2^{142303020152513} is an apocalyptic number.

It is an amenable number.

142303020152513 is a deficient number, since it is larger than the sum of its proper divisors (12936638195695).

142303020152513 is a wasteful number, since it uses less digits than its factorization.

142303020152513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12936638195694.

The product of its (nonzero) digits is 21600, while the sum is 32.

Adding to 142303020152513 its reverse (315251020303241), we get a palindrome (457554040455754).

The spelling of 142303020152513 in words is "one hundred forty-two trillion, three hundred three billion, twenty million, one hundred fifty-two thousand, five hundred thirteen".