445266 has 24 divisors (see below), whose sum is σ = 999180. Its totient is φ = 143136.

The previous prime is 445261. The next prime is 445271. The reversal of 445266 is 662544.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (445261) and next prime (445271).

It can be written as a sum of positive squares in 2 ways, for example, as 416025 + 29241 = 645^2 + 171^2 .

It is not an unprimeable number, because it can be changed into a prime (445261) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 96 + ... + 948.

2⁴⁴⁵²⁶⁶ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 445266, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (499590).

445266 is an abundant number, since it is smaller than the sum of its proper divisors (553914).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

445266 is a wasteful number, since it uses less digits than its factorization.

445266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 890 (or 887 counting only the distinct ones).

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

The square root of 445266 is about 667.2825488502. The cubic root of 445266 is about 76.3612762103.

The spelling of 445266 in words is "four hundred forty-five thousand, two hundred sixty-six".