445225414 has 4 divisors (see below), whose sum is σ = 667838124. Its totient is φ = 222612706.

The previous prime is 445225409. The next prime is 445225453. The reversal of 445225414 is 414522544.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111306352 + ... + 111306355.

It is an arithmetic number, because the mean of its divisors is an integer number (166959531).

Almost surely, 2^445225414 is an apocalyptic number.

445225414 is a deficient number, since it is larger than the sum of its proper divisors (222612710).

445225414 is a wasteful number, since it uses less digits than its factorization.

445225414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222612709.

The product of its digits is 25600, while the sum is 31.

The square root of 445225414 is about 21100.3652575021. The cubic root of 445225414 is about 763.5895602946.

Adding to 445225414 its reverse (414522544), we get a palindrome (859747958).

The spelling of 445225414 in words is "four hundred forty-five million, two hundred twenty-five thousand, four hundred fourteen".