445223415 has 32 divisors (see below), whose sum is σ = 876750336. Its totient is φ = 187873920.

The previous prime is 445223393. The next prime is 445223477. The reversal of 445223415 is 514322544.

It is not a de Polignac number, because 445223415 - 2⁷ = 445223287 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 161721 + ... + 164450.

It is an arithmetic number, because the mean of its divisors is an integer number (27398448).

Almost surely, 2^445223415 is an apocalyptic number.

445223415 is a deficient number, since it is larger than the sum of its proper divisors (431526921).

445223415 is a wasteful number, since it uses less digits than its factorization.

445223415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326199.

The product of its digits is 19200, while the sum is 30.

The square root of 445223415 is about 21100.3178886006. The cubic root of 445223415 is about 763.5884174893.

Adding to 445223415 its reverse (514322544), we get a palindrome (959545959).

The spelling of 445223415 in words is "four hundred forty-five million, two hundred twenty-three thousand, four hundred fifteen".