445148 has 24 divisors (see below), whose sum is σ = 868224. Its totient is φ = 198000.

The previous prime is 445141. The next prime is 445157. The reversal of 445148 is 841544.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 445148.

It is not an unprimeable number, because it can be changed into a prime (445141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2873 + ... + 3023.

It is an arithmetic number, because the mean of its divisors is an integer number (36176).

2⁴⁴⁵¹⁴⁸ is an apocalyptic number.

It is an amenable number.

445148 is a deficient number, since it is larger than the sum of its proper divisors (423076).

445148 is a wasteful number, since it uses less digits than its factorization.

445148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233 (or 231 counting only the distinct ones).

The product of its digits is 2560, while the sum is 26.

The square root of 445148 is about 667.1941246744. The cubic root of 445148 is about 76.3545301105.

The spelling of 445148 in words is "four hundred forty-five thousand, one hundred forty-eight".