8159533445 has 16 divisors (see below), whose sum is σ = 11292885120. Its totient is φ = 5543774784.

The previous prime is 8159533411. The next prime is 8159533453. The reversal of 8159533445 is 5443359518.

It is a cyclic number.

It is not a de Polignac number, because 8159533445 - 2⁸ = 8159533189 is a prime.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 8159533445.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1065587 + ... + 1073216.

It is an arithmetic number, because the mean of its divisors is an integer number (705805320).

Almost surely, 2^8159533445 is an apocalyptic number.

It is an amenable number.

8159533445 is a deficient number, since it is larger than the sum of its proper divisors (3133351675).

8159533445 is a wasteful number, since it uses less digits than its factorization.

8159533445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2138924.

The product of its digits is 1296000, while the sum is 47.

The square root of 8159533445 is about 90330.1358628448. The cubic root of 8159533445 is about 2013.2070487110.

The spelling of 8159533445 in words is "eight billion, one hundred fifty-nine million, five hundred thirty-three thousand, four hundred forty-five".