1144663443 has 96 divisors (see below), whose sum is σ = 2123297280. Its totient is φ = 577082880.

The previous prime is 1144663439. The next prime is 1144663463. The reversal of 1144663443 is 3443664411.

1144663443 is a `hidden beast` number, since 1 + 14 + 4 + 6 + 634 + 4 + 3 = 666.

It is not a de Polignac number, because 1144663443 - 2² = 1144663439 is a prime.

It is a super-2 number, since 2×1144663443² = 2620508795481228498, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1144663398 and 1144663407.

It is not an unprimeable number, because it can be changed into a prime (1144663463) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4132221 + ... + 4132497.

It is an arithmetic number, because the mean of its divisors is an integer number (22117680).

Almost surely, 2^1144663443 is an apocalyptic number.

1144663443 is a deficient number, since it is larger than the sum of its proper divisors (978633837).

1144663443 is a wasteful number, since it uses less digits than its factorization.

1144663443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457 (or 454 counting only the distinct ones).

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

The square root of 1144663443 is about 33832.8751808060. The cubic root of 1144663443 is about 1046.0664442484.

The spelling of 1144663443 in words is "one billion, one hundred forty-four million, six hundred sixty-three thousand, four hundred forty-three".