445005225 has 96 divisors (see below), whose sum is σ = 952439040. Its totient is φ = 199480320.

The previous prime is 445005221. The next prime is 445005229. The reversal of 445005225 is 522500544.

It is an interprime number because it is at equal distance from previous prime (445005221) and next prime (445005229).

It is not a de Polignac number, because 445005225 - 2² = 445005221 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445005221) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 249537 + ... + 251313.

It is an arithmetic number, because the mean of its divisors is an integer number (9921240).

Almost surely, 2^445005225 is an apocalyptic number.

445005225 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

445005225 is an abundant number, since it is smaller than the sum of its proper divisors (507433815).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

445005225 is a wasteful number, since it uses less digits than its factorization.

445005225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1856 (or 1845 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 27.

The square root of 445005225 is about 21095.1469537427. The cubic root of 445005225 is about 763.4636602139.

Adding to 445005225 its reverse (522500544), we get a palindrome (967505769).

The spelling of 445005225 in words is "four hundred forty-five million, five thousand, two hundred twenty-five".