1144469 has 4 divisors (see below), whose sum is σ = 1152300. Its totient is φ = 1136640.

The previous prime is 1144453. The next prime is 1144477. The reversal of 1144469 is 9644411.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9644411 = 7 ⋅1377773.

It can be written as a sum of positive squares in 2 ways, for example, as 442225 + 702244 = 665^2 + 838^2 .

It is a cyclic number.

It is not a de Polignac number, because 1144469 - 2⁴ = 1144453 is a prime.

It is a super-2 number, since 2×1144469² = 2619618583922, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144439) 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, 3692 + ... + 3989.

It is an arithmetic number, because the mean of its divisors is an integer number (288075).

2^1144469 is an apocalyptic number.

It is an amenable number.

1144469 is a deficient number, since it is larger than the sum of its proper divisors (7831).

1144469 is an equidigital number, since it uses as much as digits as its factorization.

1144469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7830.

The product of its digits is 3456, while the sum is 29.

The square root of 1144469 is about 1069.7985791727. The cubic root of 1144469 is about 104.6007209424.

The spelling of 1144469 in words is "one million, one hundred forty-four thousand, four hundred sixty-nine".