1144664395 has 8 divisors (see below), whose sum is σ = 1569825504. Its totient is φ = 784912704.

The previous prime is 1144664393. The next prime is 1144664399. The reversal of 1144664395 is 5934664411.

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

It is a cyclic number.

It is not a de Polignac number, because 1144664395 - 2¹ = 1144664393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1144664393) 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, 16352314 + ... + 16352383.

It is an arithmetic number, because the mean of its divisors is an integer number (196228188).

Almost surely, 2^1144664395 is an apocalyptic number.

1144664395 is a deficient number, since it is larger than the sum of its proper divisors (425161109).

1144664395 is an equidigital number, since it uses as much as digits as its factorization.

1144664395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32704709.

The product of its digits is 311040, while the sum is 43.

The square root of 1144664395 is about 33832.8892499591. The cubic root of 1144664395 is about 1046.0667342478.

The spelling of 1144664395 in words is "one billion, one hundred forty-four million, six hundred sixty-four thousand, three hundred ninety-five".