45065 has 4 divisors (see below), whose sum is σ = 54084. Its totient is φ = 36048.

The previous prime is 45061. The next prime is 45077. The reversal of 45065 is 56054.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56054 = 2 ⋅28027.

It can be written as a sum of positive squares in 2 ways, for example, as 18496 + 26569 = 136^2 + 163^2 .

It is a cyclic number.

It is not a de Polignac number, because 45065 - 2² = 45061 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4502 + ... + 4511.

It is an arithmetic number, because the mean of its divisors is an integer number (13521).

2⁴⁵⁰⁶⁵ is an apocalyptic number.

It is an amenable number.

45065 is a deficient number, since it is larger than the sum of its proper divisors (9019).

45065 is an equidigital number, since it uses as much as digits as its factorization.

45065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9018.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 45065 is about 212.2851855406. The cubic root of 45065 is about 35.5860505883.

It can be divided in two parts, 450 and 65, that added together give a palindrome (515).

The spelling of 45065 in words is "forty-five thousand, sixty-five".