142865768 has 8 divisors (see below), whose sum is σ = 267873330. Its totient is φ = 71432880.

The previous prime is 142865747. The next prime is 142865791. The reversal of 142865768 is 867568241.

It can be written as a sum of positive squares in only one way, i.e., 123698884 + 19166884 = 11122^2 + 4378^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8929103 + ... + 8929118.

Almost surely, 2^142865768 is an apocalyptic number.

It is an amenable number.

142865768 is a deficient number, since it is larger than the sum of its proper divisors (125007562).

142865768 is a wasteful number, since it uses less digits than its factorization.

142865768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17858227 (or 17858223 counting only the distinct ones).

The product of its digits is 645120, while the sum is 47.

The square root of 142865768 is about 11952.6469035105. The cubic root of 142865768 is about 522.7684790412.

The spelling of 142865768 in words is "one hundred forty-two million, eight hundred sixty-five thousand, seven hundred sixty-eight".