1144313446 has 4 divisors (see below), whose sum is σ = 1716470172. Its totient is φ = 572156722.

The previous prime is 1144313441. The next prime is 1144313453. The reversal of 1144313446 is 6443134411.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144313441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 286078360 + ... + 286078363.

It is an arithmetic number, because the mean of its divisors is an integer number (429117543).

Almost surely, 2^1144313446 is an apocalyptic number.

1144313446 is a deficient number, since it is larger than the sum of its proper divisors (572156726).

1144313446 is an equidigital number, since it uses as much as digits as its factorization.

1144313446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572156725.

The product of its digits is 13824, while the sum is 31.

The square root of 1144313446 is about 33827.7023458585. The cubic root of 1144313446 is about 1045.9598168546.

Adding to 1144313446 its reverse (6443134411), we get a palindrome (7587447857).

The spelling of 1144313446 in words is "one billion, one hundred forty-four million, three hundred thirteen thousand, four hundred forty-six".