142863263 has 4 divisors (see below), whose sum is σ = 144820368. Its totient is φ = 140906160.

The previous prime is 142863209. The next prime is 142863293. The reversal of 142863263 is 362368241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 362368241 = 443 ⋅817987.

It is a cyclic number.

It is not a de Polignac number, because 142863263 - 2⁶ = 142863199 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 (142863293) 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, 978443 + ... + 978588.

It is an arithmetic number, because the mean of its divisors is an integer number (36205092).

Almost surely, 2^142863263 is an apocalyptic number.

142863263 is a deficient number, since it is larger than the sum of its proper divisors (1957105).

142863263 is an equidigital number, since it uses as much as digits as its factorization.

142863263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1957104.

The product of its digits is 41472, while the sum is 35.

The square root of 142863263 is about 11952.5421145462. The cubic root of 142863263 is about 522.7654236260.

The spelling of 142863263 in words is "one hundred forty-two million, eight hundred sixty-three thousand, two hundred sixty-three".