191145792 has 28 divisors (see below), whose sum is σ = 505740416. Its totient is φ = 63715200.

The previous prime is 191145769. The next prime is 191145803. The reversal of 191145792 is 297541191.

191145792 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 191145792.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 497584 + ... + 497967.

Almost surely, 2^191145792 is an apocalyptic number.

191145792 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

191145792 is an abundant number, since it is smaller than the sum of its proper divisors (314594624).

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

191145792 is an equidigital number, since it uses as much as digits as its factorization.

191145792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 995566 (or 995556 counting only the distinct ones).

The product of its digits is 22680, while the sum is 39.

The square root of 191145792 is about 13825.5485243805. The cubic root of 191145792 is about 576.0430137631.

The spelling of 191145792 in words is "one hundred ninety-one million, one hundred forty-five thousand, seven hundred ninety-two".