142814765 has 8 divisors (see below), whose sum is σ = 171582840. Its totient is φ = 114115072.

The previous prime is 142814731. The next prime is 142814809. The reversal of 142814765 is 567418241.

It can be written as a sum of positive squares in 4 ways, for example, as 56640676 + 86174089 = 7526^2 + 9283^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 142814765 - 2⁸ = 142814509 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12380 + ... + 20949.

It is an arithmetic number, because the mean of its divisors is an integer number (21447855).

Almost surely, 2^142814765 is an apocalyptic number.

It is an amenable number.

142814765 is a deficient number, since it is larger than the sum of its proper divisors (28768075).

142814765 is an equidigital number, since it uses as much as digits as its factorization.

142814765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34191.

The product of its digits is 53760, while the sum is 38.

The square root of 142814765 is about 11950.5131688978. The cubic root of 142814765 is about 522.7062622844.

The spelling of 142814765 in words is "one hundred forty-two million, eight hundred fourteen thousand, seven hundred sixty-five".