445746 has 16 divisors (see below), whose sum is σ = 1018944. Its totient is φ = 127344.

The previous prime is 445741. The next prime is 445747. The reversal of 445746 is 647544.

It is a d-powerful number, because it can be written as 4⁴ + 4⁸ + 7⁶ + 5³ + 4⁹ + 6² .

It is a Curzon number.

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (445741) by changing a digit.

445746 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5265 + ... + 5348.

It is an arithmetic number, because the mean of its divisors is an integer number (63684).

2⁴⁴⁵⁷⁴⁶ is an apocalyptic number.

445746 is an abundant number, since it is smaller than the sum of its proper divisors (573198).

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

445746 is a wasteful number, since it uses less digits than its factorization.

445746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10625.

The product of its digits is 13440, while the sum is 30.

The square root of 445746 is about 667.6421197019. The cubic root of 445746 is about 76.3887056941.

The spelling of 445746 in words is "four hundred forty-five thousand, seven hundred forty-six".