1144304330 has 32 divisors (see below), whose sum is σ = 2294686800. Its totient is φ = 407941632.

The previous prime is 1144304309. The next prime is 1144304401. The reversal of 1144304330 is 334034411.

It can be written as a sum of positive squares in 8 ways, for example, as 110103049 + 1034201281 = 10493^2 + 32159^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1144304296 and 1144304305.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 147995 + ... + 155534.

Almost surely, 2^1144304330 is an apocalyptic number.

1144304330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1144304330 is an abundant number, since it is smaller than the sum of its proper divisors (1150382470).

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

1144304330 is a wasteful number, since it uses less digits than its factorization.

1144304330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303578.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 1144304330 is about 33827.5676039528. The cubic root of 1144304330 is about 1045.9570393537.

Adding to 1144304330 its reverse (334034411), we get a palindrome (1478338741).

The spelling of 1144304330 in words is "one billion, one hundred forty-four million, three hundred four thousand, three hundred thirty".