45661165 has 24 divisors (see below), whose sum is σ = 61133184. Its totient is φ = 32709600.

The previous prime is 45661163. The next prime is 45661177. The reversal of 45661165 is 56116654.

It is a happy number.

It is not a de Polignac number, because 45661165 - 2¹ = 45661163 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 45661165.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45661163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42424 + ... + 43486.

It is an arithmetic number, because the mean of its divisors is an integer number (2547216).

Almost surely, 2^45661165 is an apocalyptic number.

It is an amenable number.

45661165 is a deficient number, since it is larger than the sum of its proper divisors (15472019).

45661165 is a wasteful number, since it uses less digits than its factorization.

45661165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1161 (or 1150 counting only the distinct ones).

The product of its digits is 21600, while the sum is 34.

The square root of 45661165 is about 6757.3045661713. The cubic root of 45661165 is about 357.4228630420.

The spelling of 45661165 in words is "forty-five million, six hundred sixty-one thousand, one hundred sixty-five".