144440211445 has 8 divisors (see below), whose sum is σ = 173728552536. Its totient is φ = 115285303296.

The previous prime is 144440211431. The next prime is 144440211449. The reversal of 144440211445 is 544112044441.

It can be written as a sum of positive squares in 4 ways, for example, as 1243056049 + 143197155396 = 35257^2 + 378414^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 144440211445 - 2²⁷ = 144305993717 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 144440211445.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144440211449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33355852 + ... + 33360181.

It is an arithmetic number, because the mean of its divisors is an integer number (21716069067).

Almost surely, 2^144440211445 is an apocalyptic number.

It is an amenable number.

144440211445 is a deficient number, since it is larger than the sum of its proper divisors (29288341091).

144440211445 is an equidigital number, since it uses as much as digits as its factorization.

144440211445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66716471.

The product of its (nonzero) digits is 40960, while the sum is 34.

Adding to 144440211445 its reverse (544112044441), we get a palindrome (688552255886).

The spelling of 144440211445 in words is "one hundred forty-four billion, four hundred forty million, two hundred eleven thousand, four hundred forty-five".