142842867 has 4 divisors (see below), whose sum is σ = 190457160. Its totient is φ = 95228576.

The previous prime is 142842851. The next prime is 142842877. The reversal of 142842867 is 768248241.

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 142842867 - 2⁴ = 142842851 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142842827) 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, 23807142 + ... + 23807147.

It is an arithmetic number, because the mean of its divisors is an integer number (47614290).

Almost surely, 2^142842867 is an apocalyptic number.

142842867 is a deficient number, since it is larger than the sum of its proper divisors (47614293).

142842867 is an equidigital number, since it uses as much as digits as its factorization.

142842867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47614292.

The product of its digits is 172032, while the sum is 42.

The square root of 142842867 is about 11951.6888764726. The cubic root of 142842867 is about 522.7405447528.

The spelling of 142842867 in words is "one hundred forty-two million, eight hundred forty-two thousand, eight hundred sixty-seven".