445225 has 12 divisors (see below), whose sum is σ = 602640. Its totient is φ = 323600.

The previous prime is 445199. The next prime is 445229. The reversal of 445225 is 522544.

445225 = T₂₇₉ + T₂₈₀ + ... + T₂₈₉.

445225 is nontrivially palindromic in base 8.

It is not a de Polignac number, because 445225 - 2⁷ = 445097 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 445196 and 445205.

It is not an unprimeable number, because it can be changed into a prime (445229) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 535 + ... + 1084.

It is an arithmetic number, because the mean of its divisors is an integer number (50220).

2⁴⁴⁵²²⁵ is an apocalyptic number.

It is an amenable number.

445225 is a deficient number, since it is larger than the sum of its proper divisors (157415).

445225 is a wasteful number, since it uses less digits than its factorization.

445225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1640 (or 1635 counting only the distinct ones).

The product of its digits is 1600, while the sum is 22.

The square root of 445225 is about 667.2518265243. The cubic root of 445225 is about 76.3589323616.

Adding to 445225 its reverse (522544), we get a palindrome (967769).

The spelling of 445225 in words is "four hundred forty-five thousand, two hundred twenty-five".