445089 has 8 divisors (see below), whose sum is σ = 600480. Its totient is φ = 293216.

The previous prime is 445087. The next prime is 445091. The reversal of 445089 is 980544.

It is an interprime number because it is at equal distance from previous prime (445087) and next prime (445091).

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 445089 - 2¹ = 445087 is a prime.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445087) 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, 567 + ... + 1100.

It is an arithmetic number, because the mean of its divisors is an integer number (75060).

2⁴⁴⁵⁰⁸⁹ is an apocalyptic number.

It is an amenable number.

445089 is a deficient number, since it is larger than the sum of its proper divisors (155391).

445089 is a wasteful number, since it uses less digits than its factorization.

445089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1759.

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

The square root of 445089 is about 667.1499081916. The cubic root of 445089 is about 76.3511566135.

The spelling of 445089 in words is "four hundred forty-five thousand, eighty-nine".