180385225 has 12 divisors (see below), whose sum is σ = 224065024. Its totient is φ = 144058320.

The previous prime is 180385223. The next prime is 180385229. The reversal of 180385225 is 522583081.

It is not a de Polignac number, because 180385225 - 2¹ = 180385223 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 (180385223) 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 11 ways as a sum of consecutive naturals, for example, 9232 + ... + 21118.

Almost surely, 2^180385225 is an apocalyptic number.

It is an amenable number.

180385225 is a deficient number, since it is larger than the sum of its proper divisors (43679799).

180385225 is a wasteful number, since it uses less digits than its factorization.

180385225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12504 (or 12499 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 34.

The square root of 180385225 is about 13430.7566800981. The cubic root of 180385225 is about 565.0241198882.

The spelling of 180385225 in words is "one hundred eighty million, three hundred eighty-five thousand, two hundred twenty-five".