1144442566 has 8 divisors (see below), whose sum is σ = 1718442000. Its totient is φ = 571628568.

The previous prime is 1144442521. The next prime is 1144442587. The reversal of 1144442566 is 6652444411.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 293941 + ... + 297808.

It is an arithmetic number, because the mean of its divisors is an integer number (214805250).

Almost surely, 2^1144442566 is an apocalyptic number.

1144442566 is a deficient number, since it is larger than the sum of its proper divisors (573999434).

1144442566 is an equidigital number, since it uses as much as digits as its factorization.

1144442566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 592718.

The product of its digits is 92160, while the sum is 37.

The square root of 1144442566 is about 33829.6107870014. The cubic root of 1144442566 is about 1045.9991560912. Note that the first 3 decimals are identical.

Adding to 1144442566 its reverse (6652444411), we get a palindrome (7796886977).

The spelling of 1144442566 in words is "one billion, one hundred forty-four million, four hundred forty-two thousand, five hundred sixty-six".