180105485 has 8 divisors (see below), whose sum is σ = 247001856. Its totient is φ = 123500880.

The previous prime is 180105467. The next prime is 180105509. The reversal of 180105485 is 584501081.

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

It is not a de Polignac number, because 180105485 - 2¹⁶ = 180039949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 2572901 + ... + 2572970.

It is an arithmetic number, because the mean of its divisors is an integer number (30875232).

Almost surely, 2^180105485 is an apocalyptic number.

It is an amenable number.

180105485 is a deficient number, since it is larger than the sum of its proper divisors (66896371).

180105485 is an equidigital number, since it uses as much as digits as its factorization.

180105485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5145883.

The product of its (nonzero) digits is 6400, while the sum is 32.

The square root of 180105485 is about 13420.3384830637. The cubic root of 180105485 is about 564.7318904409.

The spelling of 180105485 in words is "one hundred eighty million, one hundred five thousand, four hundred eighty-five".