181150 has 12 divisors (see below), whose sum is σ = 337032. Its totient is φ = 72440.

The previous prime is 181141. The next prime is 181157. The reversal of 181150 is 51181.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (181157) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1762 + ... + 1861.

It is an arithmetic number, because the mean of its divisors is an integer number (28086).

2¹⁸¹¹⁵⁰ is an apocalyptic number.

181150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

181150 is a deficient number, since it is larger than the sum of its proper divisors (155882).

181150 is a wasteful number, since it uses less digits than its factorization.

181150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3635 (or 3630 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 16.

The square root of 181150 is about 425.6171989006. The cubic root of 181150 is about 56.5821500564.

The spelling of 181150 in words is "one hundred eighty-one thousand, one hundred fifty".