180485485 has 32 divisors (see below), whose sum is σ = 234420480. Its totient is φ = 133056000.

The previous prime is 180485453. The next prime is 180485489. The reversal of 180485485 is 584584081.

It is not a de Polignac number, because 180485485 - 2⁵ = 180485453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (180485489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 476026 + ... + 476404.

It is an arithmetic number, because the mean of its divisors is an integer number (7325640).

Almost surely, 2^180485485 is an apocalyptic number.

It is an amenable number.

180485485 is a deficient number, since it is larger than the sum of its proper divisors (53934995).

180485485 is a wasteful number, since it uses less digits than its factorization.

180485485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549.

The product of its (nonzero) digits is 204800, while the sum is 43.

The square root of 180485485 is about 13434.4886393193. The cubic root of 180485485 is about 565.1287826103.

The spelling of 180485485 in words is "one hundred eighty million, four hundred eighty-five thousand, four hundred eighty-five".