144242140330111 has 4 divisors (see below), whose sum is σ = 150513537735792. Its totient is φ = 137970742924432.

The previous prime is 144242140330081. The next prime is 144242140330117. The reversal of 144242140330111 is 111033041242441.

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 144242140330111 - 2²⁷ = 144242006112383 is a prime.

It is a super-2 number, since 2×144242140330111² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144242140330117) 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, 3135698702806 + ... + 3135698702851.

It is an arithmetic number, because the mean of its divisors is an integer number (37628384433948).

Almost surely, 2^{144242140330111} is an apocalyptic number.

144242140330111 is a deficient number, since it is larger than the sum of its proper divisors (6271397405681).

144242140330111 is an equidigital number, since it uses as much as digits as its factorization.

144242140330111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6271397405680.

The product of its (nonzero) digits is 9216, while the sum is 31.

Adding to 144242140330111 its reverse (111033041242441), we get a palindrome (255275181572552).

The spelling of 144242140330111 in words is "one hundred forty-four trillion, two hundred forty-two billion, one hundred forty million, three hundred thirty thousand, one hundred eleven".