180469 has 4 divisors (see below), whose sum is σ = 181440. Its totient is φ = 179500.

The previous prime is 180463. The next prime is 180473. The reversal of 180469 is 964081.

180469 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 180469 - 2⁵ = 180437 is a prime.

It is a super-2 number, since 2×180469² = 65138119922, which contains 22 as substring.

It is a Duffinian number.

180469 is a lucky number.

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (180463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109 + ... + 610.

It is an arithmetic number, because the mean of its divisors is an integer number (45360).

2¹⁸⁰⁴⁶⁹ is an apocalyptic number.

It is an amenable number.

180469 is a deficient number, since it is larger than the sum of its proper divisors (971).

180469 is an equidigital number, since it uses as much as digits as its factorization.

180469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 970.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 180469 is about 424.8164309440. The cubic root of 180469 is about 56.5111576367.

The spelling of 180469 in words is "one hundred eighty thousand, four hundred sixty-nine".