1144664343 has 24 divisors (see below), whose sum is σ = 1715725440. Its totient is φ = 734847120.

The previous prime is 1144664327. The next prime is 1144664351. The reversal of 1144664343 is 3434664411.

1144664343 is a `hidden beast` number, since 1 + 1 + 4 + 4 + 6 + 643 + 4 + 3 = 666.

It is not a de Polignac number, because 1144664343 - 2⁴ = 1144664327 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1144664298 and 1144664307.

It is a congruent 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 23 ways as a sum of consecutive naturals, for example, 6648 + ... + 48306.

It is an arithmetic number, because the mean of its divisors is an integer number (71488560).

Almost surely, 2^1144664343 is an apocalyptic number.

1144664343 is a deficient number, since it is larger than the sum of its proper divisors (571061097).

1144664343 is a wasteful number, since it uses less digits than its factorization.

1144664343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41779 (or 41776 counting only the distinct ones).

The product of its digits is 82944, while the sum is 36.

The square root of 1144664343 is about 33832.8884814761. Note that the first 3 decimals coincide. The cubic root of 1144664343 is about 1046.0667184075.

The spelling of 1144664343 in words is "one billion, one hundred forty-four million, six hundred sixty-four thousand, three hundred forty-three".