142872843 has 8 divisors (see below), whose sum is σ = 192908800. Its totient is φ = 94042728.

The previous prime is 142872839. The next prime is 142872853. The reversal of 142872843 is 348278241.

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

It is not a de Polignac number, because 142872843 - 2² = 142872839 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142872853) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 301183 + ... + 301656.

It is an arithmetic number, because the mean of its divisors is an integer number (24113600).

Almost surely, 2^142872843 is an apocalyptic number.

142872843 is a deficient number, since it is larger than the sum of its proper divisors (50035957).

142872843 is an equidigital number, since it uses as much as digits as its factorization.

142872843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 602921.

The product of its digits is 86016, while the sum is 39.

The square root of 142872843 is about 11952.9428593966. The cubic root of 142872843 is about 522.7771084140. Note that the first 3 decimals are identical.

The spelling of 142872843 in words is "one hundred forty-two million, eight hundred seventy-two thousand, eight hundred forty-three".