445748 has 12 divisors (see below), whose sum is σ = 796992. Its totient is φ = 218040.

The previous prime is 445747. The next prime is 445769. The reversal of 445748 is 847544.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445741) 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, 998 + ... + 1373.

It is an arithmetic number, because the mean of its divisors is an integer number (66416).

2⁴⁴⁵⁷⁴⁸ is an apocalyptic number.

It is an amenable number.

445748 is a deficient number, since it is larger than the sum of its proper divisors (351244).

445748 is a wasteful number, since it uses less digits than its factorization.

445748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2422 (or 2420 counting only the distinct ones).

The product of its digits is 17920, while the sum is 32.

The square root of 445748 is about 667.6436175086. The cubic root of 445748 is about 76.3888199424.

The spelling of 445748 in words is "four hundred forty-five thousand, seven hundred forty-eight".