85645018 has 8 divisors (see below), whose sum is σ = 128886912. Its totient is φ = 42682716.

The previous prime is 85644959. The next prime is 85645019. The reversal of 85645018 is 81054658.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (85645019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69130 + ... + 70357.

It is an arithmetic number, because the mean of its divisors is an integer number (16110864).

Almost surely, 2^85645018 is an apocalyptic number.

85645018 is a deficient number, since it is larger than the sum of its proper divisors (43241894).

85645018 is a wasteful number, since it uses less digits than its factorization.

85645018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139796.

The product of its (nonzero) digits is 38400, while the sum is 37.

The square root of 85645018 is about 9254.4593575206. The cubic root of 85645018 is about 440.7923361074.

The spelling of 85645018 in words is "eighty-five million, six hundred forty-five thousand, eighteen".