45057189 has 16 divisors (see below), whose sum is σ = 63403200. Its totient is φ = 28382976.

The previous prime is 45057169. The next prime is 45057193. The reversal of 45057189 is 98175054.

45057189 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 45057189 - 2¹⁷ = 44926117 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45057109) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 28237 + ... + 29789.

It is an arithmetic number, because the mean of its divisors is an integer number (3962700).

Almost surely, 2^45057189 is an apocalyptic number.

It is an amenable number.

45057189 is a deficient number, since it is larger than the sum of its proper divisors (18346011).

45057189 is a wasteful number, since it uses less digits than its factorization.

45057189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2084.

The product of its (nonzero) digits is 50400, while the sum is 39.

The square root of 45057189 is about 6712.4651954405. The cubic root of 45057189 is about 355.8399445681.

The spelling of 45057189 in words is "forty-five million, fifty-seven thousand, one hundred eighty-nine".