144243505111 has 4 divisors (see below), whose sum is σ = 147761639424. Its totient is φ = 140725370800.

The previous prime is 144243505103. The next prime is 144243505177. The reversal of 144243505111 is 111505342441.

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

It is a cyclic number.

It is not a de Polignac number, because 144243505111 - 2³ = 144243505103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144243505711) 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, 1759067095 + ... + 1759067176.

It is an arithmetic number, because the mean of its divisors is an integer number (36940409856).

Almost surely, 2^144243505111 is an apocalyptic number.

144243505111 is a deficient number, since it is larger than the sum of its proper divisors (3518134313).

144243505111 is an equidigital number, since it uses as much as digits as its factorization.

144243505111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3518134312.

The product of its (nonzero) digits is 9600, while the sum is 31.

Adding to 144243505111 its reverse (111505342441), we get a palindrome (255748847552).

The spelling of 144243505111 in words is "one hundred forty-four billion, two hundred forty-three million, five hundred five thousand, one hundred eleven".