1144544 has 24 divisors (see below), whose sum is σ = 2304288. Its totient is φ = 559360.

The previous prime is 1144537. The next prime is 1144573. The reversal of 1144544 is 4454411.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1124 + ... + 1884.

It is an arithmetic number, because the mean of its divisors is an integer number (96012).

2^1144544 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1144544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1152144).

1144544 is an abundant number, since it is smaller than the sum of its proper divisors (1159744).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1144544 is an equidigital number, since it uses as much as digits as its factorization.

1144544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 818 (or 810 counting only the distinct ones).

The product of its digits is 1280, while the sum is 23.

The square root of 1144544 is about 1069.8336319260. The cubic root of 1144544 is about 104.6030058106.

Adding to 1144544 its reverse (4454411), we get a palindrome (5598955).

It can be divided in two parts, 11 and 44544, that multiplied together give a palindrome (489984).

The spelling of 1144544 in words is "one million, one hundred forty-four thousand, five hundred forty-four".