144441111 has 8 divisors (see below), whose sum is σ = 192758400. Its totient is φ = 96208952.

The previous prime is 144441109. The next prime is 144441133. The reversal of 144441111 is 111144441.

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 144441111 - 2¹ = 144441109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144441191) 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, 17211 + ... + 24188.

It is an arithmetic number, because the mean of its divisors is an integer number (24094800).

Almost surely, 2^144441111 is an apocalyptic number.

144441111 is a deficient number, since it is larger than the sum of its proper divisors (48317289).

144441111 is a wasteful number, since it uses less digits than its factorization.

144441111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42565.

The product of its digits is 256, while the sum is 21.

The square root of 144441111 is about 12018.3655710750. The cubic root of 144441111 is about 524.6829359913.

Adding to 144441111 its reverse (111144441), we get a palindrome (255585552).

The spelling of 144441111 in words is "one hundred forty-four million, four hundred forty-one thousand, one hundred eleven".