445324 has 24 divisors (see below), whose sum is σ = 882000. Its totient is φ = 194880.

The previous prime is 445321. The next prime is 445339. The reversal of 445324 is 423544.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 445295 and 445304.

It is not an unprimeable number, because it can be changed into a prime (445321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1102 + ... + 1450.

It is an arithmetic number, because the mean of its divisors is an integer number (36750).

2⁴⁴⁵³²⁴ is an apocalyptic number.

445324 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

445324 is a deficient number, since it is larger than the sum of its proper divisors (436676).

445324 is a wasteful number, since it uses less digits than its factorization.

445324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393 (or 391 counting only the distinct ones).

The product of its digits is 1920, while the sum is 22.

The square root of 445324 is about 667.3260072858. The cubic root of 445324 is about 76.3645916530.

Adding to 445324 its reverse (423544), we get a palindrome (868868).

It can be divided in two parts, 44 and 5324, that multiplied together give a 4-th power (234256 = 22⁴).

The spelling of 445324 in words is "four hundred forty-five thousand, three hundred twenty-four".