1144485 has 24 divisors (see below), whose sum is σ = 2054520. Its totient is φ = 588672.

The previous prime is 1144483. The next prime is 1144499. The reversal of 1144485 is 5844411.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 285156 + 859329 = 534^2 + 927^2 .

It is not a de Polignac number, because 1144485 - 2¹ = 1144483 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144483) 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 23 ways as a sum of consecutive naturals, for example, 867 + ... + 1743.

It is an arithmetic number, because the mean of its divisors is an integer number (85605).

2^1144485 is an apocalyptic number.

1144485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1144485 is a deficient number, since it is larger than the sum of its proper divisors (910035).

1144485 is a wasteful number, since it uses less digits than its factorization.

1144485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 917 (or 914 counting only the distinct ones).

The product of its digits is 2560, while the sum is 27.

The square root of 1144485 is about 1069.8060571898. The cubic root of 1144485 is about 104.6012083893.

Adding to 1144485 its reverse (5844411), we get a palindrome (6988896).

The spelling of 1144485 in words is "one million, one hundred forty-four thousand, four hundred eighty-five".