180512 has 12 divisors (see below), whose sum is σ = 355446. Its totient is φ = 90240.

The previous prime is 180511. The next prime is 180533. The reversal of 180512 is 215081.

It can be written as a sum of positive squares in only one way, i.e., 99856 + 80656 = 316^2 + 284^2 .

It is not an unprimeable number, because it can be changed into a prime (180511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2789 + ... + 2852.

2¹⁸⁰⁵¹² is an apocalyptic number.

It is an amenable number.

180512 is a deficient number, since it is larger than the sum of its proper divisors (174934).

180512 is an equidigital number, since it uses as much as digits as its factorization.

180512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5651 (or 5643 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 17.

The square root of 180512 is about 424.8670380248. The cubic root of 180512 is about 56.5156455484.

Adding to 180512 its reverse (215081), we get a palindrome (395593).

The spelling of 180512 in words is "one hundred eighty thousand, five hundred twelve".