191148 has 24 divisors (see below), whose sum is σ = 472752. Its totient is φ = 59904.

The previous prime is 191143. The next prime is 191161. The reversal of 191148 is 841191.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (191141) by changing a digit.

191148 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, 265 + ... + 672.

It is an arithmetic number, because the mean of its divisors is an integer number (19698).

2¹⁹¹¹⁴⁸ is an apocalyptic number.

It is an amenable number.

191148 is an abundant number, since it is smaller than the sum of its proper divisors (281604).

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

191148 is a wasteful number, since it uses less digits than its factorization.

191148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 961 (or 959 counting only the distinct ones).

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

The square root of 191148 is about 437.2047575221. The cubic root of 191148 is about 57.6045231787.

It can be divided in two parts, 19 and 1148, that multiplied together give a palindrome (21812).

The spelling of 191148 in words is "one hundred ninety-one thousand, one hundred forty-eight".