142322263 has 8 divisors (see below), whose sum is σ = 143161200. Its totient is φ = 141486528.

The previous prime is 142322261. The next prime is 142322273. The reversal of 142322263 is 362223241.

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

It is a cyclic number.

It is not a de Polignac number, because 142322263 - 2¹ = 142322261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142322261) 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, 221020 + ... + 221662.

It is an arithmetic number, because the mean of its divisors is an integer number (17895150).

Almost surely, 2^142322263 is an apocalyptic number.

142322263 is a deficient number, since it is larger than the sum of its proper divisors (838937).

142322263 is an equidigital number, since it uses as much as digits as its factorization.

142322263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1601.

The product of its digits is 3456, while the sum is 25.

The square root of 142322263 is about 11929.8894797898. The cubic root of 142322263 is about 522.1047129715.

The spelling of 142322263 in words is "one hundred forty-two million, three hundred twenty-two thousand, two hundred sixty-three".