445383 has 24 divisors (see below), whose sum is σ = 707616. Its totient is φ = 268800.

The previous prime is 445363. The next prime is 445427. The reversal of 445383 is 383544.

It is a happy number.

It is not a de Polignac number, because 445383 - 2¹³ = 437191 is a prime.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445363) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6238 + ... + 6308.

It is an arithmetic number, because the mean of its divisors is an integer number (29484).

2⁴⁴⁵³⁸³ is an apocalyptic number.

445383 is a deficient number, since it is larger than the sum of its proper divisors (262233).

445383 is a wasteful number, since it uses less digits than its factorization.

445383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135 (or 132 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 445383 is about 667.3702121012. The cubic root of 445383 is about 76.3679639632.

It can be divided in two parts, 445 and 383, that added together give a palindrome (828).

The spelling of 445383 in words is "four hundred forty-five thousand, three hundred eighty-three".