445245 has 8 divisors (see below), whose sum is σ = 712416. Its totient is φ = 237456.

The previous prime is 445229. The next prime is 445261. The reversal of 445245 is 542544.

It is an interprime number because it is at equal distance from previous prime (445229) and next prime (445261).

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

It is not a de Polignac number, because 445245 - 2⁴ = 445229 is a prime.

It is a super-2 number, since 2×445245² = 396486220050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14827 + ... + 14856.

It is an arithmetic number, because the mean of its divisors is an integer number (89052).

2⁴⁴⁵²⁴⁵ is an apocalyptic number.

It is an amenable number.

445245 is a deficient number, since it is larger than the sum of its proper divisors (267171).

445245 is a wasteful number, since it uses less digits than its factorization.

445245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29691.

The product of its digits is 3200, while the sum is 24.

The square root of 445245 is about 667.2668132014. The cubic root of 445245 is about 76.3600757204.

Adding to 445245 its reverse (542544), we get a palindrome (987789).

The spelling of 445245 in words is "four hundred forty-five thousand, two hundred forty-five".