1144948866 has 24 divisors (see below), whose sum is σ = 2316012144. Its totient is φ = 377345760.

The previous prime is 1144948843. The next prime is 1144948897. The reversal of 1144948866 is 6688494411.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35481 + ... + 59571.

It is an arithmetic number, because the mean of its divisors is an integer number (96500506).

Almost surely, 2^1144948866 is an apocalyptic number.

1144948866 is an abundant number, since it is smaller than the sum of its proper divisors (1171063278).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1144948866 is an equidigital number, since it uses as much as digits as its factorization.

1144948866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24274 (or 24185 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 51.

The square root of 1144948866 is about 33837.0930489012. The cubic root of 1144948866 is about 1046.1533829353.

The spelling of 1144948866 in words is "one billion, one hundred forty-four million, nine hundred forty-eight thousand, eight hundred sixty-six".