445535 has 4 divisors (see below), whose sum is σ = 534648. Its totient is φ = 356424.

The previous prime is 445507. The next prime is 445537. The reversal of 445535 is 535544.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 445535 - 2⁸ = 445279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445537) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44549 + ... + 44558.

It is an arithmetic number, because the mean of its divisors is an integer number (133662).

2⁴⁴⁵⁵³⁵ is an apocalyptic number.

445535 is a deficient number, since it is larger than the sum of its proper divisors (89113).

445535 is an equidigital number, since it uses as much as digits as its factorization.

445535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89112.

The product of its digits is 6000, while the sum is 26.

The square root of 445535 is about 667.4840822072. The cubic root of 445535 is about 76.3766505769.

Subtracting 445535 from its reverse (535544), we obtain a palindrome (90009).

The spelling of 445535 in words is "four hundred forty-five thousand, five hundred thirty-five".