365445 has 16 divisors (see below), whose sum is σ = 649920. Its totient is φ = 194832.

The previous prime is 365441. The next prime is 365461. The reversal of 365445 is 544563.

365445 is a `hidden beast` number, since 3 + 654 + 4 + 5 = 666.

It is not a de Polignac number, because 365445 - 2² = 365441 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 365445.

It is not an unprimeable number, because it can be changed into a prime (365441) 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, 1219 + ... + 1488.

It is an arithmetic number, because the mean of its divisors is an integer number (40620).

2³⁶⁵⁴⁴⁵ is an apocalyptic number.

It is an amenable number.

365445 is a deficient number, since it is larger than the sum of its proper divisors (284475).

365445 is a wasteful number, since it uses less digits than its factorization.

365445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2721 (or 2715 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 365445 is about 604.5204711174. The cubic root of 365445 is about 71.4947263295.

The spelling of 365445 in words is "three hundred sixty-five thousand, four hundred forty-five".