1144958866 has 16 divisors (see below), whose sum is σ = 1760457888. Its totient is φ = 558157600.

The previous prime is 1144958863. The next prime is 1144958911. The reversal of 1144958866 is 6688594411.

It is not an unprimeable number, because it can be changed into a prime (1144958863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160761 + ... + 167731.

It is an arithmetic number, because the mean of its divisors is an integer number (110028618).

Almost surely, 2^1144958866 is an apocalyptic number.

1144958866 is a deficient number, since it is larger than the sum of its proper divisors (615499022).

1144958866 is a wasteful number, since it uses less digits than its factorization.

1144958866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9017.

The product of its digits is 1658880, while the sum is 52.

The square root of 1144958866 is about 33837.2408154093. The cubic root of 1144958866 is about 1046.1564286327.

The spelling of 1144958866 in words is "one billion, one hundred forty-four million, nine hundred fifty-eight thousand, eight hundred sixty-six".