45165389 has 4 divisors (see below), whose sum is σ = 45260160. Its totient is φ = 45070620.

The previous prime is 45165371. The next prime is 45165433. The reversal of 45165389 is 98356154.

45165389 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 45165389 - 2¹² = 45161293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45125389) 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 3 ways as a sum of consecutive naturals, for example, 46667 + ... + 47624.

It is an arithmetic number, because the mean of its divisors is an integer number (11315040).

Almost surely, 2^45165389 is an apocalyptic number.

It is an amenable number.

45165389 is a deficient number, since it is larger than the sum of its proper divisors (94771).

45165389 is an equidigital number, since it uses as much as digits as its factorization.

45165389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94770.

The product of its digits is 129600, while the sum is 41.

The square root of 45165389 is about 6720.5199947623. The cubic root of 45165389 is about 356.1245540058.

It can be divided in two parts, 45165 and 389, that added together give a palindrome (45554).

The spelling of 45165389 in words is "forty-five million, one hundred sixty-five thousand, three hundred eighty-nine".