142133230443 has 4 divisors (see below), whose sum is σ = 189510973928. Its totient is φ = 94755486960.

The previous prime is 142133230417. The next prime is 142133230453. The reversal of 142133230443 is 344032331241.

It is a happy number.

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

It is not a de Polignac number, because 142133230443 - 2⁵ = 142133230411 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 142133230443.

It is not an unprimeable number, because it can be changed into a prime (142133230453) 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, 23688871738 + ... + 23688871743.

It is an arithmetic number, because the mean of its divisors is an integer number (47377743482).

Almost surely, 2^142133230443 is an apocalyptic number.

142133230443 is a deficient number, since it is larger than the sum of its proper divisors (47377743485).

142133230443 is an equidigital number, since it uses as much as digits as its factorization.

142133230443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47377743484.

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 142133230443 its reverse (344032331241), we get a palindrome (486165561684).

The spelling of 142133230443 in words is "one hundred forty-two billion, one hundred thirty-three million, two hundred thirty thousand, four hundred forty-three".