142842866 has 8 divisors (see below), whose sum is σ = 220055340. Its totient is φ = 69491088.

The previous prime is 142842851. The next prime is 142842877. The reversal of 142842866 is 668248241.

142842866 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 136212241 + 6630625 = 11671^2 + 2575^2 .

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

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, 965081 + ... + 965228.

Almost surely, 2^142842866 is an apocalyptic number.

142842866 is a deficient number, since it is larger than the sum of its proper divisors (77212474).

142842866 is a wasteful number, since it uses less digits than its factorization.

142842866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1930348.

The product of its digits is 147456, while the sum is 41.

The square root of 142842866 is about 11951.6888346376. The cubic root of 142842866 is about 522.7405435329.

The spelling of 142842866 in words is "one hundred forty-two million, eight hundred forty-two thousand, eight hundred sixty-six".