144412323211 has 4 divisors (see below), whose sum is σ = 155520963472. Its totient is φ = 133303682952.

The previous prime is 144412323169. The next prime is 144412323239. The reversal of 144412323211 is 112323214441.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144412323211 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 144412323211.

It is not an unprimeable number, because it can be changed into a prime (144412321211) 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, 5554320111 + ... + 5554320136.

It is an arithmetic number, because the mean of its divisors is an integer number (38880240868).

Almost surely, 2^144412323211 is an apocalyptic number.

144412323211 is a deficient number, since it is larger than the sum of its proper divisors (11108640261).

144412323211 is a wasteful number, since it uses less digits than its factorization.

144412323211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11108640260.

The product of its digits is 4608, while the sum is 28.

Adding to 144412323211 its reverse (112323214441), we get a palindrome (256735537652).

The spelling of 144412323211 in words is "one hundred forty-four billion, four hundred twelve million, three hundred twenty-three thousand, two hundred eleven".