1145688863 has 32 divisors (see below), whose sum is σ = 1304424000. Its totient is φ = 1005713280.

The previous prime is 1145688851. The next prime is 1145688881. The reversal of 1145688863 is 3688865411.

It is not a de Polignac number, because 1145688863 - 2⁶ = 1145688799 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145688883) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7689113 + ... + 7689261.

It is an arithmetic number, because the mean of its divisors is an integer number (40763250).

Almost surely, 2^1145688863 is an apocalyptic number.

1145688863 is a deficient number, since it is larger than the sum of its proper divisors (158735137).

1145688863 is a wasteful number, since it uses less digits than its factorization.

1145688863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344 (or 322 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 50.

The square root of 1145688863 is about 33848.0259838000. The cubic root of 1145688863 is about 1046.3787157474.

The spelling of 1145688863 in words is "one billion, one hundred forty-five million, six hundred eighty-eight thousand, eight hundred sixty-three".