1144448 has 16 divisors (see below), whose sum is σ = 2280210. Its totient is φ = 572160.

The previous prime is 1144441. The next prime is 1144453. The reversal of 1144448 is 8444411.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 906304 + 238144 = 952^2 + 488^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-2 number, since 2×1144448² = 2619522449408, which contains 22 as substring.

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

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (1144441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4343 + ... + 4598.

2^1144448 is an apocalyptic number.

It is an amenable number.

1144448 is a deficient number, since it is larger than the sum of its proper divisors (1135762).

1144448 is an frugal number, since it uses more digits than its factorization.

1144448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8955 (or 8943 counting only the distinct ones).

The product of its digits is 2048, while the sum is 26.

The square root of 1144448 is about 1069.7887641960. The cubic root of 1144448 is about 104.6000811613.

Adding to 1144448 its reverse (8444411), we get a palindrome (9588859).

The spelling of 1144448 in words is "one million, one hundred forty-four thousand, four hundred forty-eight".