180494 has 4 divisors (see below), whose sum is σ = 270744. Its totient is φ = 90246.

The previous prime is 180491. The next prime is 180497. The reversal of 180494 is 494081.

180494 is nontrivially palindromic in base 4.

180494 is digitally balanced in base 3, 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 an emirpimes, since its reverse is a distinct semiprime: 494081 = 7 ⋅70583.

It is an interprime number because it is at equal distance from previous prime (180491) and next prime (180497).

It is a Curzon number.

It is a nialpdrome in base 12.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 180494.

It is not an unprimeable number, because it can be changed into a prime (180491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45122 + ... + 45125.

It is an arithmetic number, because the mean of its divisors is an integer number (67686).

2¹⁸⁰⁴⁹⁴ is an apocalyptic number.

180494 is a deficient number, since it is larger than the sum of its proper divisors (90250).

180494 is an equidigital number, since it uses as much as digits as its factorization.

180494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90249.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 180494 is about 424.8458543990. The cubic root of 180494 is about 56.5137669744.

The spelling of 180494 in words is "one hundred eighty thousand, four hundred ninety-four".