189044345 has 8 divisors (see below), whose sum is σ = 259260864. Its totient is φ = 129630384.

The previous prime is 189044341. The next prime is 189044353. The reversal of 189044345 is 543440981.

189044345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 189044345 - 2² = 189044341 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 189044299 and 189044308.

It is not an unprimeable number, because it can be changed into a prime (189044341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2700599 + ... + 2700668.

It is an arithmetic number, because the mean of its divisors is an integer number (32407608).

Almost surely, 2^189044345 is an apocalyptic number.

It is an amenable number.

189044345 is a deficient number, since it is larger than the sum of its proper divisors (70216519).

189044345 is an equidigital number, since it uses as much as digits as its factorization.

189044345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5401279.

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

The square root of 189044345 is about 13749.3398023323. The cubic root of 189044345 is about 573.9242343554.

The spelling of 189044345 in words is "one hundred eighty-nine million, forty-four thousand, three hundred forty-five".