85305345 has 16 divisors (see below), whose sum is σ = 143672640. Its totient is φ = 43101504.

The previous prime is 85305323. The next prime is 85305347. The reversal of 85305345 is 54350358.

It is not a de Polignac number, because 85305345 - 2⁶ = 85305281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85305347) 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, 149374 + ... + 149943.

It is an arithmetic number, because the mean of its divisors is an integer number (8979540).

Almost surely, 2^85305345 is an apocalyptic number.

It is an amenable number.

85305345 is a deficient number, since it is larger than the sum of its proper divisors (58367295).

85305345 is a wasteful number, since it uses less digits than its factorization.

85305345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299344.

The product of its (nonzero) digits is 36000, while the sum is 33.

The square root of 85305345 is about 9236.0892698154. The cubic root of 85305345 is about 440.2088282140.

The spelling of 85305345 in words is "eighty-five million, three hundred five thousand, three hundred forty-five".