8231156245 has 32 divisors (see below), whose sum is σ = 10799504352. Its totient is φ = 5985902592.

The previous prime is 8231156221. The next prime is 8231156341. The reversal of 8231156245 is 5426511328.

8231156245 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 16 ways, for example, as 6809715441 + 1421440804 = 82521^2 + 37702^2 .

It is a cyclic number.

It is not a de Polignac number, because 8231156245 - 2¹⁵ = 8231123477 is a prime.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 5299389 + ... + 5300941.

It is an arithmetic number, because the mean of its divisors is an integer number (337484511).

Almost surely, 2^8231156245 is an apocalyptic number.

It is an amenable number.

8231156245 is a deficient number, since it is larger than the sum of its proper divisors (2568348107).

8231156245 is a wasteful number, since it uses less digits than its factorization.

8231156245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2761.

The product of its digits is 57600, while the sum is 37.

The square root of 8231156245 is about 90725.7198648762. The cubic root of 8231156245 is about 2019.0804105129.

The spelling of 8231156245 in words is "eight billion, two hundred thirty-one million, one hundred fifty-six thousand, two hundred forty-five".