1144444200 has 96 divisors (see below), whose sum is σ = 3553299360. Its totient is φ = 304710400.

The previous prime is 1144444099. The next prime is 1144444201. The reversal of 1144444200 is 24444411.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (1144444201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 563587 + ... + 565613.

It is an arithmetic number, because the mean of its divisors is an integer number (37013535).

Almost surely, 2^1144444200 is an apocalyptic number.

1144444200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1144444200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1776649680).

1144444200 is an abundant number, since it is smaller than the sum of its proper divisors (2408855160).

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

1144444200 is a wasteful number, since it uses less digits than its factorization.

1144444200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2987 (or 2978 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

The square root of 1144444200 is about 33829.6349374332. The cubic root of 1144444200 is about 1045.9996539062. Note that the first 3 decimals are identical.

Adding to 1144444200 its reverse (24444411), we get a palindrome (1168888611).

The spelling of 1144444200 in words is "one billion, one hundred forty-four million, four hundred forty-four thousand, two hundred".