102065845 has 8 divisors (see below), whose sum is σ = 139976064. Its totient is φ = 69987984.

The previous prime is 102065833. The next prime is 102065849. The reversal of 102065845 is 548560201.

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

It is a cyclic number.

It is not a de Polignac number, because 102065845 - 2⁵ = 102065813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102065849) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1458049 + ... + 1458118.

It is an arithmetic number, because the mean of its divisors is an integer number (17497008).

Almost surely, 2^102065845 is an apocalyptic number.

It is an amenable number.

102065845 is a deficient number, since it is larger than the sum of its proper divisors (37910219).

102065845 is an equidigital number, since it uses as much as digits as its factorization.

102065845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2916179.

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 102065845 is about 10102.7642256959. The cubic root of 102065845 is about 467.3333902567. Note that the first 4 decimals are identical.

The spelling of 102065845 in words is "one hundred two million, sixty-five thousand, eight hundred forty-five".