189037345 has 24 divisors (see below), whose sum is σ = 275361984. Its totient is φ = 123986016.

The previous prime is 189037333. The next prime is 189037363. The reversal of 189037345 is 543730981.

It is not a de Polignac number, because 189037345 - 2⁵ = 189037313 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 189037298 and 189037307.

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 23 ways as a sum of consecutive naturals, for example, 11139 + ... + 22408.

It is an arithmetic number, because the mean of its divisors is an integer number (11473416).

Almost surely, 2^189037345 is an apocalyptic number.

It is an amenable number.

189037345 is a deficient number, since it is larger than the sum of its proper divisors (86324639).

189037345 is a wasteful number, since it uses less digits than its factorization.

189037345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33589 (or 33582 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 189037345 is about 13749.0852422988. The cubic root of 189037345 is about 573.9171504456.

The spelling of 189037345 in words is "one hundred eighty-nine million, thirty-seven thousand, three hundred forty-five".