181348 has 6 divisors (see below), whose sum is σ = 317366. Its totient is φ = 90672.

The previous prime is 181303. The next prime is 181361. The reversal of 181348 is 843181.

181348 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 166464 + 14884 = 408^2 + 122^2 .

It is an unprimeable number.

181348 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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, 22665 + ... + 22672.

2¹⁸¹³⁴⁸ is an apocalyptic number.

It is an amenable number.

181348 is a deficient number, since it is larger than the sum of its proper divisors (136018).

181348 is a wasteful number, since it uses less digits than its factorization.

181348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45341 (or 45339 counting only the distinct ones).

The product of its digits is 768, while the sum is 25.

The square root of 181348 is about 425.8497387577. The cubic root of 181348 is about 56.6027576310.

It can be divided in two parts, 181 and 348, that added together give a square (529 = 23²).

The spelling of 181348 in words is "one hundred eighty-one thousand, three hundred forty-eight".