144111559 has 16 divisors (see below), whose sum is σ = 151437600. Its totient is φ = 137009664.

The previous prime is 144111557. The next prime is 144111581. The reversal of 144111559 is 955111441.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 144111559 - 2¹ = 144111557 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 144111559.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144111551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 352147 + ... + 352555.

It is an arithmetic number, because the mean of its divisors is an integer number (9464850).

Almost surely, 2^144111559 is an apocalyptic number.

144111559 is a deficient number, since it is larger than the sum of its proper divisors (7326041).

144111559 is a wasteful number, since it uses less digits than its factorization.

144111559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642.

The product of its digits is 3600, while the sum is 31.

The square root of 144111559 is about 12004.6473917396. The cubic root of 144111559 is about 524.2835991294.

The spelling of 144111559 in words is "one hundred forty-four million, one hundred eleven thousand, five hundred fifty-nine".