144231213321433 has 12 divisors (see below), whose sum is σ = 167780997961140. Its totient is φ = 123625404790272.

The previous prime is 144231213321409. The next prime is 144231213321439. The reversal of 144231213321433 is 334123312132441.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 125911469376784 + 18319743944649 = 11221028^2 + 4280157^2 .

It is not a de Polignac number, because 144231213321433 - 2³³ = 144222623386841 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 144231213321392 and 144231213321401.

It is not an unprimeable number, because it can be changed into a prime (144231213321439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11517588 + ... + 20521141.

It is an arithmetic number, because the mean of its divisors is an integer number (13981749830095).

Almost surely, 2^{144231213321433} is an apocalyptic number.

It is an amenable number.

144231213321433 is a deficient number, since it is larger than the sum of its proper divisors (23549784639707).

144231213321433 is an equidigital number, since it uses as much as digits as its factorization.

144231213321433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32130616 (or 32130609 counting only the distinct ones).

The product of its digits is 124416, while the sum is 37.

Adding to 144231213321433 its reverse (334123312132441), we get a palindrome (478354525453874).

The spelling of 144231213321433 in words is "one hundred forty-four trillion, two hundred thirty-one billion, two hundred thirteen million, three hundred twenty-one thousand, four hundred thirty-three".