45489 has 8 divisors (see below), whose sum is σ = 61920. Its totient is φ = 29696.

The previous prime is 45481. The next prime is 45491. The reversal of 45489 is 98454.

45489 is digitally balanced in base 2 and base 4, because in such bases 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 a cyclic number.

It is not a de Polignac number, because 45489 - 2³ = 45481 is a prime.

45489 is an undulating number in base 16.

45489 is a lucky number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 45489.

It is not an unprimeable number, because it can be changed into a prime (45481) 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, 49 + ... + 305.

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

2⁴⁵⁴⁸⁹ is an apocalyptic number.

It is an amenable number.

45489 is a deficient number, since it is larger than the sum of its proper divisors (16431).

45489 is a wasteful number, since it uses less digits than its factorization.

45489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319.

The product of its digits is 5760, while the sum is 30.

The square root of 45489 is about 213.2815041207. The cubic root of 45489 is about 35.6973077398.

The spelling of 45489 in words is "forty-five thousand, four hundred eighty-nine".