45569161 has 4 divisors (see below), whose sum is σ = 49711824. Its totient is φ = 41426500.

The previous prime is 45569159. The next prime is 45569177. The reversal of 45569161 is 16196554.

45569161 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 45569161 - 2¹ = 45569159 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45569161.

It is not an unprimeable number, because it can be changed into a prime (45569561) 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, 2071315 + ... + 2071336.

It is an arithmetic number, because the mean of its divisors is an integer number (12427956).

Almost surely, 2^45569161 is an apocalyptic number.

It is an amenable number.

45569161 is a deficient number, since it is larger than the sum of its proper divisors (4142663).

45569161 is a wasteful number, since it uses less digits than its factorization.

45569161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4142662.

The product of its digits is 32400, while the sum is 37.

The square root of 45569161 is about 6750.4933893753. The cubic root of 45569161 is about 357.1826410767.

The spelling of 45569161 in words is "forty-five million, five hundred sixty-nine thousand, one hundred sixty-one".