102305085 has 8 divisors (see below), whose sum is σ = 163688160. Its totient is φ = 54562704.

The previous prime is 102305083. The next prime is 102305089. The reversal of 102305085 is 580503201.

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

It is not a de Polignac number, because 102305085 - 2¹ = 102305083 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102305083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3410155 + ... + 3410184.

It is an arithmetic number, because the mean of its divisors is an integer number (20461020).

Almost surely, 2^102305085 is an apocalyptic number.

102305085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

102305085 is a deficient number, since it is larger than the sum of its proper divisors (61383075).

102305085 is an equidigital number, since it uses as much as digits as its factorization.

102305085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6820347.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 102305085 is about 10114.5976192827. The cubic root of 102305085 is about 467.6982449179.

Adding to 102305085 its reverse (580503201), we get a palindrome (682808286).

The spelling of 102305085 in words is "one hundred two million, three hundred five thousand, eighty-five".