191150 has 12 divisors (see below), whose sum is σ = 355632. Its totient is φ = 76440.

The previous prime is 191143. The next prime is 191161. The reversal of 191150 is 51191.

It is a happy number.

191150 is nontrivially palindromic in base 4.

191150 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

191150 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 (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1862 + ... + 1961.

It is an arithmetic number, because the mean of its divisors is an integer number (29636).

2¹⁹¹¹⁵⁰ is an apocalyptic number.

191150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

191150 is a deficient number, since it is larger than the sum of its proper divisors (164482).

191150 is a wasteful number, since it uses less digits than its factorization.

191150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3835 (or 3830 counting only the distinct ones).

The product of its (nonzero) digits is 45, while the sum is 17.

The square root of 191150 is about 437.2070447740. The cubic root of 191150 is about 57.6047240853.

The spelling of 191150 in words is "one hundred ninety-one thousand, one hundred fifty".