180215 has 16 divisors (see below), whose sum is σ = 261120. Its totient is φ = 116640.

The previous prime is 180211. The next prime is 180221. The reversal of 180215 is 512081.

It is not a de Polignac number, because 180215 - 2² = 180211 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 180193 and 180202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (180211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 530 + ... + 800.

It is an arithmetic number, because the mean of its divisors is an integer number (16320).

2¹⁸⁰²¹⁵ is an apocalyptic number.

180215 is a deficient number, since it is larger than the sum of its proper divisors (80905).

180215 is a wasteful number, since it uses less digits than its factorization.

180215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302.

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

The square root of 180215 is about 424.5173730249. The cubic root of 180215 is about 56.4846330934.

Adding to 180215 its reverse (512081), we get a palindrome (692296).

The spelling of 180215 in words is "one hundred eighty thousand, two hundred fifteen".