142243232583 has 4 divisors (see below), whose sum is σ = 189657643448. Its totient is φ = 94828821720.

The previous prime is 142243232569. The next prime is 142243232587. The reversal of 142243232583 is 385232342241.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 142243232583 - 2²⁸ = 141974797127 is a prime.

It is a super-2 number, since 2×142243232583² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142243232587) 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, 23707205428 + ... + 23707205433.

It is an arithmetic number, because the mean of its divisors is an integer number (47414410862).

Almost surely, 2^142243232583 is an apocalyptic number.

142243232583 is a deficient number, since it is larger than the sum of its proper divisors (47414410865).

142243232583 is an equidigital number, since it uses as much as digits as its factorization.

142243232583 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47414410864.

The product of its digits is 276480, while the sum is 39.

The spelling of 142243232583 in words is "one hundred forty-two billion, two hundred forty-three million, two hundred thirty-two thousand, five hundred eighty-three".