142765117 has 24 divisors (see below), whose sum is σ = 167694912. Its totient is φ = 121154880.

The previous prime is 142765111. The next prime is 142765121. The reversal of 142765117 is 711567241.

It is not a de Polignac number, because 142765117 - 2³ = 142765109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142765111) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 119073 + ... + 120265.

It is an arithmetic number, because the mean of its divisors is an integer number (6987288).

Almost surely, 2^142765117 is an apocalyptic number.

It is an amenable number.

142765117 is a deficient number, since it is larger than the sum of its proper divisors (24929795).

142765117 is a wasteful number, since it uses less digits than its factorization.

142765117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1281 (or 1270 counting only the distinct ones).

The product of its digits is 11760, while the sum is 34.

The square root of 142765117 is about 11948.4357553615. The cubic root of 142765117 is about 522.6456842148.

The spelling of 142765117 in words is "one hundred forty-two million, seven hundred sixty-five thousand, one hundred seventeen".