4545189 has 24 divisors (see below), whose sum is σ = 7398144. Its totient is φ = 2664000.

The previous prime is 4545181. The next prime is 4545193. The reversal of 4545189 is 9815454.

It is not a de Polignac number, because 4545189 - 2³ = 4545181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4545181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2329 + ... + 3809.

It is an arithmetic number, because the mean of its divisors is an integer number (308256).

Almost surely, 2^4545189 is an apocalyptic number.

It is an amenable number.

4545189 is a deficient number, since it is larger than the sum of its proper divisors (2852955).

4545189 is a wasteful number, since it uses less digits than its factorization.

4545189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1529 (or 1526 counting only the distinct ones).

The product of its digits is 28800, while the sum is 36.

The square root of 4545189 is about 2131.9448867173. The cubic root of 4545189 is about 165.6471554081.

The spelling of 4545189 in words is "four million, five hundred forty-five thousand, one hundred eighty-nine".