605445 has 16 divisors (see below), whose sum is σ = 978432. Its totient is φ = 319680.

The previous prime is 605443. The next prime is 605471. The reversal of 605445 is 544506.

It is not a de Polignac number, because 605445 - 2¹ = 605443 is a prime.

It is a plaindrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (605443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2604 + ... + 2826.

It is an arithmetic number, because the mean of its divisors is an integer number (61152).

2⁶⁰⁵⁴⁴⁵ is an apocalyptic number.

It is an amenable number.

605445 is a deficient number, since it is larger than the sum of its proper divisors (372987).

605445 is a wasteful number, since it uses less digits than its factorization.

605445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 605445 is about 778.1034635574. The cubic root of 605445 is about 84.5976369856.

The spelling of 605445 in words is "six hundred five thousand, four hundred forty-five".