102044585 has 4 divisors (see below), whose sum is σ = 122453508. Its totient is φ = 81635664.

The previous prime is 102044561. The next prime is 102044597. The reversal of 102044585 is 585440201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 68079001 + 33965584 = 8251^2 + 5828^2 .

It is a cyclic number.

It is not a de Polignac number, because 102044585 - 2¹⁸ = 101782441 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10204454 + ... + 10204463.

It is an arithmetic number, because the mean of its divisors is an integer number (30613377).

Almost surely, 2^102044585 is an apocalyptic number.

It is an amenable number.

102044585 is a deficient number, since it is larger than the sum of its proper divisors (20408923).

102044585 is an equidigital number, since it uses as much as digits as its factorization.

102044585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20408922.

The product of its (nonzero) digits is 6400, while the sum is 29.

The square root of 102044585 is about 10101.7119836194. The cubic root of 102044585 is about 467.3009399700.

Adding to 102044585 its reverse (585440201), we get a palindrome (687484786).

The spelling of 102044585 in words is "one hundred two million, forty-four thousand, five hundred eighty-five".