1144449 has 20 divisors (see below), whose sum is σ = 1742400. Its totient is φ = 748440.
The previous prime is 1144441. The next prime is 1144453. The reversal of 1144449 is 9444411.
It is not a de Polignac number, because 1144449 - 23 = 1144441 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a plaindrome in base 10.
It is not an unprimeable number, because it can be changed into a prime (1144441) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5652 + ... + 5850.
It is an arithmetic number, because the mean of its divisors is an integer number (87120).
21144449 is an apocalyptic number.
It is an amenable number.
1144449 is a deficient number, since it is larger than the sum of its proper divisors (597951).
1144449 is an equidigital number, since it uses as much as digits as its factorization.
1144449 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 282 (or 273 counting only the distinct ones).
The product of its digits is 2304, while the sum is 27.
The square root of 1144449 is about 1069.7892315779. The cubic root of 1144449 is about 104.6001116273.
The spelling of 1144449 in words is "one million, one hundred forty-four thousand, four hundred forty-nine".
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