445548 has 24 divisors (see below), whose sum is σ = 1052352. Its totient is φ = 146704.

The previous prime is 445541. The next prime is 445567. The reversal of 445548 is 845544.

It is not an unprimeable number, because it can be changed into a prime (445541) by changing a digit.

445548 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, 1111 + ... + 1457.

It is an arithmetic number, because the mean of its divisors is an integer number (43848).

2⁴⁴⁵⁵⁴⁸ is an apocalyptic number.

It is an amenable number.

445548 is an abundant number, since it is smaller than the sum of its proper divisors (606804).

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

445548 is a wasteful number, since it uses less digits than its factorization.

445548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461 (or 459 counting only the distinct ones).

The product of its digits is 12800, while the sum is 30.

The square root of 445548 is about 667.4938201961. The cubic root of 445548 is about 76.3773934192.

The spelling of 445548 in words is "four hundred forty-five thousand, five hundred forty-eight".