144322020223442 has 4 divisors (see below), whose sum is σ = 216483030335166. Its totient is φ = 72161010111720.

The previous prime is 144322020223441. The next prime is 144322020223481. The reversal of 144322020223442 is 244322020223441.

144322020223442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 115478471780281 + 28843548443161 = 10746091^2 + 5370619^2 .

It is not an unprimeable number, because it can be changed into a prime (144322020223441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36080505055859 + ... + 36080505055862.

Almost surely, 2^{144322020223442} is an apocalyptic number.

144322020223442 is a deficient number, since it is larger than the sum of its proper divisors (72161010111724).

144322020223442 is an equidigital number, since it uses as much as digits as its factorization.

144322020223442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72161010111723.

The product of its (nonzero) digits is 147456, while the sum is 35.

Adding to 144322020223442 its reverse (244322020223441), we get a palindrome (388644040446883).

Subtracting 144322020223442 from its reverse (244322020223441), we obtain a palindrome (99999999999999).

The spelling of 144322020223442 in words is "one hundred forty-four trillion, three hundred twenty-two billion, twenty million, two hundred twenty-three thousand, four hundred forty-two".