181148 has 24 divisors (see below), whose sum is σ = 362880. Its totient is φ = 78320.

The previous prime is 181141. The next prime is 181157. The reversal of 181148 is 841181.

181148 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (23).

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 181148.

It is not an unprimeable number, because it can be changed into a prime (181141) by changing a digit.

181148 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 923 + ... + 1101.

It is an arithmetic number, because the mean of its divisors is an integer number (15120).

2¹⁸¹¹⁴⁸ is an apocalyptic number.

It is an amenable number.

181148 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.

181148 is a wasteful number, since it uses less digits than its factorization.

181148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217 (or 215 counting only the distinct ones).

The product of its digits is 256, while the sum is 23.

The square root of 181148 is about 425.6148493650. The cubic root of 181148 is about 56.5819418225.

The spelling of 181148 in words is "one hundred eighty-one thousand, one hundred forty-eight".