1145365864 has 16 divisors (see below), whose sum is σ = 2152668420. Its totient is φ = 571320960.

The previous prime is 1145365849. The next prime is 1145365867. The reversal of 1145365864 is 4685635411.

It can be written as a sum of positive squares in 2 ways, for example, as 1086229764 + 59136100 = 32958^2 + 7690^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1145365864.

It is not an unprimeable number, because it can be changed into a prime (1145365867) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166669 + ... + 173404.

Almost surely, 2^1145365864 is an apocalyptic number.

It is an amenable number.

1145365864 is a deficient number, since it is larger than the sum of its proper divisors (1007302556).

1145365864 is a wasteful number, since it uses less digits than its factorization.

1145365864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340500 (or 340496 counting only the distinct ones).

The product of its digits is 345600, while the sum is 43.

The square root of 1145365864 is about 33843.2543352438. The cubic root of 1145365864 is about 1046.2803728621.

The spelling of 1145365864 in words is "one billion, one hundred forty-five million, three hundred sixty-five thousand, eight hundred sixty-four".