191450 has 24 divisors (see below), whose sum is σ = 407712. Its totient is φ = 65520.

The previous prime is 191449. The next prime is 191453. The reversal of 191450 is 54191.

191450 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 not an unprimeable number, because it can be changed into a prime (191453) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 77 + ... + 623.

It is an arithmetic number, because the mean of its divisors is an integer number (16988).

2¹⁹¹⁴⁵⁰ is an apocalyptic number.

191450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

191450 is an abundant number, since it is smaller than the sum of its proper divisors (216262).

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

191450 is a wasteful number, since it uses less digits than its factorization.

191450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566 (or 561 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 191450 is about 437.5499971432. The cubic root of 191450 is about 57.6348442079.

The spelling of 191450 in words is "one hundred ninety-one thousand, four hundred fifty".