1144464 has 40 divisors (see below), whose sum is σ = 2996832. Its totient is φ = 376320.

The previous prime is 1144453. The next prime is 1144477. The reversal of 1144464 is 4644411.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5319 + ... + 5529.

2^1144464 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 1144464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1498416).

1144464 is an abundant number, since it is smaller than the sum of its proper divisors (1852368).

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

1144464 is a wasteful number, since it uses less digits than its factorization.

1144464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335 (or 329 counting only the distinct ones).

The product of its digits is 1536, while the sum is 24.

The square root of 1144464 is about 1069.7962422817. The cubic root of 1144464 is about 104.6005686143.

Adding to 1144464 its reverse (4644411), we get a palindrome (5788875).

The spelling of 1144464 in words is "one million, one hundred forty-four thousand, four hundred sixty-four".