1144664306 has 4 divisors (see below), whose sum is σ = 1716996462. Its totient is φ = 572332152.

The previous prime is 1144664293. The next prime is 1144664317. The reversal of 1144664306 is 6034664411.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 748296025 + 396368281 = 27355^2 + 19909^2 .

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 as a sum of consecutive naturals, namely, 286166075 + ... + 286166078.

Almost surely, 2^1144664306 is an apocalyptic number.

1144664306 is a deficient number, since it is larger than the sum of its proper divisors (572332156).

1144664306 is an equidigital number, since it uses as much as digits as its factorization.

1144664306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572332155.

The product of its (nonzero) digits is 41472, while the sum is 35.

The square root of 1144664306 is about 33832.8879346709. The cubic root of 1144664306 is about 1046.0667071365.

The spelling of 1144664306 in words is "one billion, one hundred forty-four million, six hundred sixty-four thousand, three hundred six".