1145265966 has 40 divisors (see below), whose sum is σ = 2763652584. Its totient is φ = 352388880.

The previous prime is 1145265959. The next prime is 1145266007. The reversal of 1145265966 is 6695625411.

1145265966 is a `hidden beast` number, since 1 + 1 + 4 + 52 + 6 + 596 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 269800 + ... + 274011.

Almost surely, 2^1145265966 is an apocalyptic number.

1145265966 is an abundant number, since it is smaller than the sum of its proper divisors (1618386618).

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

1145265966 is a wasteful number, since it uses less digits than its factorization.

1145265966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543838 (or 543829 counting only the distinct ones).

The product of its digits is 388800, while the sum is 45.

The square root of 1145265966 is about 33841.7784107159. The cubic root of 1145265966 is about 1046.2499533665.

The spelling of 1145265966 in words is "one billion, one hundred forty-five million, two hundred sixty-five thousand, nine hundred sixty-six".