142330170517 has 4 divisors (see below), whose sum is σ = 142342062156. Its totient is φ = 142318278880.

The previous prime is 142330170487. The next prime is 142330170539. The reversal of 142330170517 is 715071033241.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 135652992721 + 6677177796 = 368311^2 + 81714^2 .

It is a cyclic number.

It is not a de Polignac number, because 142330170517 - 2¹⁵ = 142330137749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142330170557) 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, 5927848 + ... + 5951809.

It is an arithmetic number, because the mean of its divisors is an integer number (35585515539).

Almost surely, 2^142330170517 is an apocalyptic number.

It is an amenable number.

142330170517 is a deficient number, since it is larger than the sum of its proper divisors (11891639).

142330170517 is a wasteful number, since it uses less digits than its factorization.

142330170517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11891638.

The product of its (nonzero) digits is 17640, while the sum is 34.

The spelling of 142330170517 in words is "one hundred forty-two billion, three hundred thirty million, one hundred seventy thousand, five hundred seventeen".