1144064 has 36 divisors (see below), whose sum is σ = 2360820. Its totient is φ = 552960.

The previous prime is 1144061. The next prime is 1144081. The reversal of 1144064 is 4604411.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 369664 + 774400 = 608^2 + 880^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10442 + ... + 10550.

2^1144064 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 1144064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1180410).

1144064 is an abundant number, since it is smaller than the sum of its proper divisors (1216756).

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

1144064 is an equidigital number, since it uses as much as digits as its factorization.

1144064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166 (or 152 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1144064 is about 1069.6092744549. The cubic root of 1144064 is about 104.5883809285.

Adding to 1144064 its reverse (4604411), we get a palindrome (5748475).

The spelling of 1144064 in words is "one million, one hundred forty-four thousand, sixty-four".