144442434551211 has 10 divisors (see below), whose sum is σ = 215772031860572. Its totient is φ = 96294956367420.

The previous prime is 144442434551209. The next prime is 144442434551213. The reversal of 144442434551211 is 112155434244441.

It is a happy number.

144442434551211 is a `hidden beast` number, since 1 + 4 + 4 + 4 + 42 + 4 + 34 + 551 + 21 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (144442434551209) and next prime (144442434551213).

It is not a de Polignac number, because 144442434551211 - 2¹ = 144442434551209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144442434551213) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 891619966285 + ... + 891619966446.

Almost surely, 2^{144442434551211} is an apocalyptic number.

144442434551211 is a deficient number, since it is larger than the sum of its proper divisors (71329597309361).

144442434551211 is an equidigital number, since it uses as much as digits as its factorization.

144442434551211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1783239932743 (or 1783239932734 counting only the distinct ones).

The product of its digits is 1228800, while the sum is 45.

Adding to 144442434551211 its reverse (112155434244441), we get a palindrome (256597868795652).

The spelling of 144442434551211 in words is "one hundred forty-four trillion, four hundred forty-two billion, four hundred thirty-four million, five hundred fifty-one thousand, two hundred eleven".