1144253446 has 16 divisors (see below), whose sum is σ = 2003314176. Its totient is φ = 479960136.

The previous prime is 1144253443. The next prime is 1144253489. The reversal of 1144253446 is 6443524411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144253441) 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 7 ways as a sum of consecutive naturals, for example, 868836 + ... + 870151.

It is an arithmetic number, because the mean of its divisors is an integer number (125207136).

Almost surely, 2^1144253446 is an apocalyptic number.

1144253446 is a deficient number, since it is larger than the sum of its proper divisors (859060730).

1144253446 is a wasteful number, since it uses less digits than its factorization.

1144253446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1739043.

The product of its digits is 46080, while the sum is 34.

The square root of 1144253446 is about 33826.8154871250. The cubic root of 1144253446 is about 1045.9415355332.

Adding to 1144253446 its reverse (6443524411), we get a palindrome (7587777857).

The spelling of 1144253446 in words is "one billion, one hundred forty-four million, two hundred fifty-three thousand, four hundred forty-six".