8091545 has 16 divisors (see below), whose sum is σ = 12106368. Its totient is φ = 5043840.

The previous prime is 8091533. The next prime is 8091547. The reversal of 8091545 is 5451908.

8091545 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8091545 - 2⁴ = 8091529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8091547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10124 + ... + 10893.

It is an arithmetic number, because the mean of its divisors is an integer number (756648).

Almost surely, 2^8091545 is an apocalyptic number.

It is an amenable number.

8091545 is a deficient number, since it is larger than the sum of its proper divisors (4014823).

8091545 is a wasteful number, since it uses less digits than its factorization.

8091545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21040.

The product of its (nonzero) digits is 7200, while the sum is 32.

The square root of 8091545 is about 2844.5641142361. The cubic root of 8091545 is about 200.7599834677.

The spelling of 8091545 in words is "eight million, ninety-one thousand, five hundred forty-five".