181194 has 32 divisors (see below), whose sum is σ = 411264. Its totient is φ = 52800.

The previous prime is 181193. The next prime is 181199. The reversal of 181194 is 491181.

181194 = 112² + 113² + ... + 124².

181194 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (181193) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1744 + ... + 1844.

It is an arithmetic number, because the mean of its divisors is an integer number (12852).

2¹⁸¹¹⁹⁴ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 181194, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (205632).

181194 is an abundant number, since it is smaller than the sum of its proper divisors (230070).

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

181194 is a wasteful number, since it uses less digits than its factorization.

181194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142.

The product of its digits is 288, while the sum is 24.

The square root of 181194 is about 425.6688854027. The cubic root of 181194 is about 56.5867308146.

The spelling of 181194 in words is "one hundred eighty-one thousand, one hundred ninety-four".