1144975116 has 24 divisors (see below), whose sum is σ = 2672178544. Its totient is φ = 381576960.

The previous prime is 1144975103. The next prime is 1144975141. The reversal of 1144975116 is 6115794411.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81336 + ... + 94368.

Almost surely, 2^1144975116 is an apocalyptic number.

It is an amenable number.

1144975116 is an abundant number, since it is smaller than the sum of its proper divisors (1527203428).

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

1144975116 is a wasteful number, since it uses less digits than its factorization.

1144975116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20361 (or 20359 counting only the distinct ones).

The product of its digits is 30240, while the sum is 39.

The square root of 1144975116 is about 33837.4809346086. The cubic root of 1144975116 is about 1046.1613778531.

The spelling of 1144975116 in words is "one billion, one hundred forty-four million, nine hundred seventy-five thousand, one hundred sixteen".