142643144433 has 4 divisors (see below), whose sum is σ = 190190859248. Its totient is φ = 95095429620.

The previous prime is 142643144407. The next prime is 142643144471. The reversal of 142643144433 is 334441346241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 142643144433 - 2⁹ = 142643143921 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142643144391 and 142643144400.

It is not an unprimeable number, because it can be changed into a prime (142643144473) 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, 23773857403 + ... + 23773857408.

It is an arithmetic number, because the mean of its divisors is an integer number (47547714812).

Almost surely, 2^142643144433 is an apocalyptic number.

It is an amenable number.

142643144433 is a deficient number, since it is larger than the sum of its proper divisors (47547714815).

142643144433 is an equidigital number, since it uses as much as digits as its factorization.

142643144433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47547714814.

The product of its digits is 331776, while the sum is 39.

The spelling of 142643144433 in words is "one hundred forty-two billion, six hundred forty-three million, one hundred forty-four thousand, four hundred thirty-three".