189034445 has 8 divisors (see below), whose sum is σ = 227370240. Its totient is φ = 150874960.

The previous prime is 189034427. The next prime is 189034451. The reversal of 189034445 is 544430981.

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

It is not a de Polignac number, because 189034445 - 2⁸ = 189034189 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 189034399 and 189034408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41705 + ... + 46014.

It is an arithmetic number, because the mean of its divisors is an integer number (28421280).

Almost surely, 2^189034445 is an apocalyptic number.

It is an amenable number.

189034445 is a deficient number, since it is larger than the sum of its proper divisors (38335795).

189034445 is an equidigital number, since it uses as much as digits as its factorization.

189034445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88155.

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 189034445 is about 13748.9797803328. The cubic root of 189034445 is about 573.9142156318.

The spelling of 189034445 in words is "one hundred eighty-nine million, thirty-four thousand, four hundred forty-five".