142386568 has 16 divisors (see below), whose sum is σ = 269619660. Its totient is φ = 70488000.

The previous prime is 142386523. The next prime is 142386571. The reversal of 142386568 is 865683241.

It can be written as a sum of positive squares in 2 ways, for example, as 131377444 + 11009124 = 11462^2 + 3318^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87303 + ... + 88918.

Almost surely, 2^142386568 is an apocalyptic number.

It is an amenable number.

142386568 is a deficient number, since it is larger than the sum of its proper divisors (127233092).

142386568 is a wasteful number, since it uses less digits than its factorization.

142386568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176328 (or 176324 counting only the distinct ones).

The product of its digits is 276480, while the sum is 43.

The square root of 142386568 is about 11932.5842967900. The cubic root of 142386568 is about 522.1833347500.

The spelling of 142386568 in words is "one hundred forty-two million, three hundred eighty-six thousand, five hundred sixty-eight".