445170448 has 10 divisors (see below), whose sum is σ = 862517774. Its totient is φ = 222585216.

The previous prime is 445170419. The next prime is 445170457. The reversal of 445170448 is 844071544.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 339738624 + 105431824 = 18432^2 + 10268^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13911561 + ... + 13911592.

Almost surely, 2^445170448 is an apocalyptic number.

It is an amenable number.

445170448 is a deficient number, since it is larger than the sum of its proper divisors (417347326).

445170448 is a wasteful number, since it uses less digits than its factorization.

445170448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27823161 (or 27823155 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 37.

The square root of 445170448 is about 21099.0627279981. The cubic root of 445170448 is about 763.5581356201.

The spelling of 445170448 in words is "four hundred forty-five million, one hundred seventy thousand, four hundred forty-eight".