1144585171 has 4 divisors (see below), whose sum is σ = 1144690600. Its totient is φ = 1144479744.

The previous prime is 1144585157. The next prime is 1144585181. The reversal of 1144585171 is 1715854411.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1715854411 = 13147 ⋅130513.

It is a cyclic number.

It is not a de Polignac number, because 1144585171 - 2⁵ = 1144585139 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 1144585171.

It is not an unprimeable number, because it can be changed into a prime (1144585111) 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 3 ways as a sum of consecutive naturals, for example, 34281 + ... + 58858.

It is an arithmetic number, because the mean of its divisors is an integer number (286172650).

Almost surely, 2^1144585171 is an apocalyptic number.

1144585171 is a deficient number, since it is larger than the sum of its proper divisors (105429).

1144585171 is an equidigital number, since it uses as much as digits as its factorization.

1144585171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105428.

The product of its digits is 22400, while the sum is 37.

The square root of 1144585171 is about 33831.7184163028. The cubic root of 1144585171 is about 1046.0426003901.

The spelling of 1144585171 in words is "one billion, one hundred forty-four million, five hundred eighty-five thousand, one hundred seventy-one".