455565 has 24 divisors (see below), whose sum is σ = 804384. Its totient is φ = 220000.

The previous prime is 455557. The next prime is 455573. The reversal of 455565 is 565554.

It is an interprime number because it is at equal distance from previous prime (455557) and next prime (455573).

It is not a de Polignac number, because 455565 - 2³ = 455557 is a prime.

455565 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1690 + ... + 1940.

It is an arithmetic number, because the mean of its divisors is an integer number (33516).

2⁴⁵⁵⁵⁶⁵ is an apocalyptic number.

It is an amenable number.

455565 is a deficient number, since it is larger than the sum of its proper divisors (348819).

455565 is a wasteful number, since it uses less digits than its factorization.

455565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281 (or 270 counting only the distinct ones).

The product of its digits is 15000, while the sum is 30.

The square root of 455565 is about 674.9555540923. The cubic root of 455565 is about 76.9455397219.

Subtracting from 455565 its sum of digits (30), we obtain a triangular number (455535 = T₉₅₄).

The spelling of 455565 in words is "four hundred fifty-five thousand, five hundred sixty-five".