45089 has 4 divisors (see below), whose sum is σ = 49200. Its totient is φ = 40980.

The previous prime is 45083. The next prime is 45119. The reversal of 45089 is 98054.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 45089 - 2¹² = 40993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45083) 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, 2039 + ... + 2060.

It is an arithmetic number, because the mean of its divisors is an integer number (12300).

2⁴⁵⁰⁸⁹ is an apocalyptic number.

It is an amenable number.

45089 is a deficient number, since it is larger than the sum of its proper divisors (4111).

45089 is a wasteful number, since it uses less digits than its factorization.

45089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4110.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 45089 is about 212.3417057481. The cubic root of 45089 is about 35.5923667512.

The spelling of 45089 in words is "forty-five thousand, eighty-nine".