8540345 has 16 divisors (see below), whose sum is σ = 11543040. Its totient is φ = 6009600.

The previous prime is 8540339. The next prime is 8540347. The reversal of 8540345 is 5430458.

It is not a de Polignac number, because 8540345 - 2⁶ = 8540281 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (8540347) 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, 800 + ... + 4209.

It is an arithmetic number, because the mean of its divisors is an integer number (721440).

Almost surely, 2^8540345 is an apocalyptic number.

It is an amenable number.

8540345 is a deficient number, since it is larger than the sum of its proper divisors (3002695).

8540345 is a wasteful number, since it uses less digits than its factorization.

8540345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5056.

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 8540345 is about 2922.3868669292. The cubic root of 8540345 is about 204.4051365062.

The spelling of 8540345 in words is "eight million, five hundred forty thousand, three hundred forty-five".