1144453361 has 8 divisors (see below), whose sum is σ = 1189005480. Its totient is φ = 1100240512.

The previous prime is 1144453351. The next prime is 1144453393. The reversal of 1144453361 is 1633544411.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 17172736 + 1127280625 = 4144^2 + 33575^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-1144453361 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1144453351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77930 + ... + 91443.

It is an arithmetic number, because the mean of its divisors is an integer number (148625685).

Almost surely, 2^1144453361 is an apocalyptic number.

It is an amenable number.

1144453361 is a deficient number, since it is larger than the sum of its proper divisors (44552119).

1144453361 is a wasteful number, since it uses less digits than its factorization.

1144453361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169635.

The product of its digits is 17280, while the sum is 32.

The square root of 1144453361 is about 33829.7703361994. The cubic root of 1144453361 is about 1046.0024448904.

Adding to 1144453361 its reverse (1633544411), we get a palindrome (2777997772).

The spelling of 1144453361 in words is "one billion, one hundred forty-four million, four hundred fifty-three thousand, three hundred sixty-one".