1144459 has 4 divisors (see below), whose sum is σ = 1146600. Its totient is φ = 1142320.

The previous prime is 1144453. The next prime is 1144477. The reversal of 1144459 is 9544411.

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.

It is a cyclic number.

It is not a de Polignac number, because 1144459 - 2¹⁹ = 620171 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (1144453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 504 + ... + 1594.

It is an arithmetic number, because the mean of its divisors is an integer number (286650).

2^1144459 is an apocalyptic number.

1144459 is a deficient number, since it is larger than the sum of its proper divisors (2141).

1144459 is a wasteful number, since it uses less digits than its factorization.

1144459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2140.

The product of its digits is 2880, while the sum is 28.

The square root of 1144459 is about 1069.7939053855. The cubic root of 1144459 is about 104.6004162857.

The spelling of 1144459 in words is "one million, one hundred forty-four thousand, four hundred fifty-nine".