142868683 has 4 divisors (see below), whose sum is σ = 142898728. Its totient is φ = 142838640.

The previous prime is 142868651. The next prime is 142868689. The reversal of 142868683 is 386868241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 142868683 - 2⁵ = 142868651 is a prime.

It is a super-2 number, since 2×142868683² = 40822921164308978, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142868689) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6138 + ... + 17983.

It is an arithmetic number, because the mean of its divisors is an integer number (35724682).

Almost surely, 2^142868683 is an apocalyptic number.

142868683 is a deficient number, since it is larger than the sum of its proper divisors (30045).

142868683 is an equidigital number, since it uses as much as digits as its factorization.

142868683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30044.

The product of its digits is 442368, while the sum is 46.

The square root of 142868683 is about 11952.7688424063. The cubic root of 142868683 is about 522.7720344992.

The spelling of 142868683 in words is "one hundred forty-two million, eight hundred sixty-eight thousand, six hundred eighty-three".