142683815785 has 64 divisors (see below), whose sum is σ = 212863795200. Its totient is φ = 89599737600.

The previous prime is 142683815737. The next prime is 142683815803. The reversal of 142683815785 is 587518386241.

It is not a de Polignac number, because 142683815785 - 2¹⁹ = 142683291497 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 21044526 + ... + 21051304.

It is an arithmetic number, because the mean of its divisors is an integer number (3325996800).

Almost surely, 2^142683815785 is an apocalyptic number.

It is an amenable number.

142683815785 is a deficient number, since it is larger than the sum of its proper divisors (70179979415).

142683815785 is a wasteful number, since it uses less digits than its factorization.

142683815785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7862.

The product of its digits is 12902400, while the sum is 58.

The spelling of 142683815785 in words is "one hundred forty-two billion, six hundred eighty-three million, eight hundred fifteen thousand, seven hundred eighty-five".