180534 has 8 divisors (see below), whose sum is σ = 361080. Its totient is φ = 60176.

The previous prime is 180533. The next prime is 180539. The reversal of 180534 is 435081.

It is a sphenic number, since it is the product of 3 distinct primes.

180534 is an admirable number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 180534.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (180533) 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, 15039 + ... + 15050.

It is an arithmetic number, because the mean of its divisors is an integer number (45135).

2¹⁸⁰⁵³⁴ is an apocalyptic number.

180534 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

180534 is a wasteful number, since it uses less digits than its factorization.

180534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30094.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 180534 is about 424.8929276888. The cubic root of 180534 is about 56.5179414136.

The spelling of 180534 in words is "one hundred eighty thousand, five hundred thirty-four".