445479 has 8 divisors (see below), whose sum is σ = 598272. Its totient is φ = 294840.

The previous prime is 445477. The next prime is 445499. The reversal of 445479 is 974544.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 445479 - 2¹ = 445477 is a prime.

It is a d-powerful number, because it can be written as 4² + 4⁸ + 4⁹ + 5³ + 7⁶ + 9 .

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 34 + ... + 944.

It is an arithmetic number, because the mean of its divisors is an integer number (74784).

2⁴⁴⁵⁴⁷⁹ is an apocalyptic number.

445479 is a deficient number, since it is larger than the sum of its proper divisors (152793).

445479 is a wasteful number, since it uses less digits than its factorization.

445479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1077.

The product of its digits is 20160, while the sum is 33.

The square root of 445479 is about 667.4421323231. The cubic root of 445479 is about 76.3734504754.

The spelling of 445479 in words is "four hundred forty-five thousand, four hundred seventy-nine".