180475 has 6 divisors (see below), whose sum is σ = 223820. Its totient is φ = 144360.

The previous prime is 180473. The next prime is 180491. The reversal of 180475 is 574081.

It is not a de Polignac number, because 180475 - 2¹ = 180473 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 7219 = 180475 / (1 + 8 + 0 + 4 + 7 + 5).

180475 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (180473) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3585 + ... + 3634.

2¹⁸⁰⁴⁷⁵ is an apocalyptic number.

180475 is a deficient number, since it is larger than the sum of its proper divisors (43345).

180475 is an equidigital number, since it uses as much as digits as its factorization.

180475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7229 (or 7224 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 180475 is about 424.8234927591. The cubic root of 180475 is about 56.5117838997.

The spelling of 180475 in words is "one hundred eighty thousand, four hundred seventy-five".