189945482 has 8 divisors (see below), whose sum is σ = 284976900. Its totient is φ = 94953184.

The previous prime is 189945479. The next prime is 189945499. The reversal of 189945482 is 284549981.

189945482 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 183033841 + 6911641 = 13529^2 + 2629^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×189945482² = 72158572264424648, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 189945482.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12644 + ... + 23232.

Almost surely, 2^189945482 is an apocalyptic number.

189945482 is a deficient number, since it is larger than the sum of its proper divisors (95031418).

189945482 is a wasteful number, since it uses less digits than its factorization.

189945482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19560.

The product of its digits is 829440, while the sum is 50.

The square root of 189945482 is about 13782.0710344999. The cubic root of 189945482 is about 574.8347169554.

The spelling of 189945482 in words is "one hundred eighty-nine million, nine hundred forty-five thousand, four hundred eighty-two".