142836873 has 16 divisors (see below), whose sum is σ = 202947840. Its totient is φ = 89047296.

The previous prime is 142836857. The next prime is 142836887. The reversal of 142836873 is 378638241.

It is not a de Polignac number, because 142836873 - 2⁴ = 142836857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142836823) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 913 + ... + 16926.

It is an arithmetic number, because the mean of its divisors is an integer number (12684240).

Almost surely, 2^142836873 is an apocalyptic number.

It is an amenable number.

142836873 is a deficient number, since it is larger than the sum of its proper divisors (60110967).

142836873 is a wasteful number, since it uses less digits than its factorization.

142836873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18016.

The product of its digits is 193536, while the sum is 42.

The square root of 142836873 is about 11951.4381143024. The cubic root of 142836873 is about 522.7332328706.

The spelling of 142836873 in words is "one hundred forty-two million, eight hundred thirty-six thousand, eight hundred seventy-three".