180538 has 8 divisors (see below), whose sum is σ = 285120. Its totient is φ = 85500.

The previous prime is 180533. The next prime is 180539. The reversal of 180538 is 835081.

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

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, 2338 + ... + 2413.

It is an arithmetic number, because the mean of its divisors is an integer number (35640).

2¹⁸⁰⁵³⁸ is an apocalyptic number.

180538 is a deficient number, since it is larger than the sum of its proper divisors (104582).

180538 is a wasteful number, since it uses less digits than its factorization.

180538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4772.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 180538 is about 424.8976347310. The cubic root of 180538 is about 56.5183588237.

The spelling of 180538 in words is "one hundred eighty thousand, five hundred thirty-eight".