445474 has 12 divisors (see below), whose sum is σ = 706374. Its totient is φ = 210672.

The previous prime is 445463. The next prime is 445477. The reversal of 445474 is 474544.

445474 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 442225 + 3249 = 665^2 + 57^2 .

It is a d-powerful number, because it can be written as 4 + 4² + 4⁸ + 5³ + 7⁶ + 4⁹ .

It is not an unprimeable number, because it can be changed into a prime (445477) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 414 + ... + 1030.

2⁴⁴⁵⁴⁷⁴ is an apocalyptic number.

445474 is a deficient number, since it is larger than the sum of its proper divisors (260900).

445474 is a wasteful number, since it uses less digits than its factorization.

445474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657 (or 638 counting only the distinct ones).

The product of its digits is 8960, while the sum is 28.

The square root of 445474 is about 667.4383866695. The cubic root of 445474 is about 76.3731647390.

It can be divided in two parts, 44547 and 4, that added together give a triangular number (44551 = T₂₉₈).

The spelling of 445474 in words is "four hundred forty-five thousand, four hundred seventy-four".