8045755281 has 12 divisors (see below), whose sum is σ = 12126935808. Its totient is φ = 5130626424.

The previous prime is 8045755231. The next prime is 8045755309. The reversal of 8045755281 is 1825575408.

8045755281 is a `hidden beast` number, since 80 + 45 + 7 + 5 + 528 + 1 = 666.

It is not a de Polignac number, because 8045755281 - 2⁶ = 8045755217 is a prime.

It is a super-2 number, since 2×8045755281² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8045755231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19433985 + ... + 19434398.

It is an arithmetic number, because the mean of its divisors is an integer number (1010577984).

Almost surely, 2^8045755281 is an apocalyptic number.

It is an amenable number.

8045755281 is a deficient number, since it is larger than the sum of its proper divisors (4081180527).

8045755281 is a wasteful number, since it uses less digits than its factorization.

8045755281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38868412 (or 38868409 counting only the distinct ones).

The product of its (nonzero) digits is 448000, while the sum is 45.

The square root of 8045755281 is about 89698.1342113647. The cubic root of 8045755281 is about 2003.8056938373.

The spelling of 8045755281 in words is "eight billion, forty-five million, seven hundred fifty-five thousand, two hundred eighty-one".