445907450 has 48 divisors (see below), whose sum is σ = 882425664. Its totient is φ = 167059200.

The previous prime is 445907443. The next prime is 445907453. The reversal of 445907450 is 54709544.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (445907453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 191795 + ... + 194105.

It is an arithmetic number, because the mean of its divisors is an integer number (18383868).

Almost surely, 2^445907450 is an apocalyptic number.

445907450 is a deficient number, since it is larger than the sum of its proper divisors (436518214).

445907450 is a wasteful number, since it uses less digits than its factorization.

445907450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2567 (or 2562 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 38.

The square root of 445907450 is about 21116.5207835003. The cubic root of 445907450 is about 763.9792728951.

The spelling of 445907450 in words is "four hundred forty-five million, nine hundred seven thousand, four hundred fifty".