1144663148 has 12 divisors (see below), whose sum is σ = 2003422512. Its totient is φ = 572256720.

The previous prime is 1144663111. The next prime is 1144663217. The reversal of 1144663148 is 8413664411.

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 in 3 ways as a sum of consecutive naturals, for example, 29486 + ... + 56202.

It is an arithmetic number, because the mean of its divisors is an integer number (166951876).

Almost surely, 2^1144663148 is an apocalyptic number.

It is an amenable number.

1144663148 is a deficient number, since it is larger than the sum of its proper divisors (858759364).

1144663148 is a wasteful number, since it uses less digits than its factorization.

1144663148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37432 (or 37430 counting only the distinct ones).

The product of its digits is 55296, while the sum is 38.

The square root of 1144663148 is about 33832.8708211408. The cubic root of 1144663148 is about 1046.0663543852.

The spelling of 1144663148 in words is "one billion, one hundred forty-four million, six hundred sixty-three thousand, one hundred forty-eight".