45027 has 6 divisors (see below), whose sum is σ = 65052. Its totient is φ = 30012.

The previous prime is 45013. The next prime is 45053. The reversal of 45027 is 72054.

It is a happy number.

It is not a de Polignac number, because 45027 - 2⁶ = 44963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2493 + ... + 2510.

It is an arithmetic number, because the mean of its divisors is an integer number (10842).

2⁴⁵⁰²⁷ is an apocalyptic number.

45027 is a deficient number, since it is larger than the sum of its proper divisors (20025).

45027 is a wasteful number, since it uses less digits than its factorization.

45027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5009 (or 5006 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 18.

The square root of 45027 is about 212.1956644232. The cubic root of 45027 is about 35.5760454092.

The spelling of 45027 in words is "forty-five thousand, twenty-seven".