45115 has 8 divisors (see below), whose sum is σ = 61920. Its totient is φ = 30912.

The previous prime is 45083. The next prime is 45119. The reversal of 45115 is 51154.

It is a happy number.

45115 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 45115 - 2⁵ = 45083 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 610 + ... + 679.

It is an arithmetic number, because the mean of its divisors is an integer number (7740).

2⁴⁵¹¹⁵ is an apocalyptic number.

45115 is a deficient number, since it is larger than the sum of its proper divisors (16805).

45115 is a wasteful number, since it uses less digits than its factorization.

45115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1301.

The product of its digits is 100, while the sum is 16.

The square root of 45115 is about 212.4029190007. The cubic root of 45115 is about 35.5992067323.

Adding to 45115 its reverse (51154), we get a palindrome (96269).

The spelling of 45115 in words is "forty-five thousand, one hundred fifteen".