445444473 has 8 divisors (see below), whose sum is σ = 619748928. Its totient is φ = 284051504.

The previous prime is 445444463. The next prime is 445444481. The reversal of 445444473 is 374444544.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 445444473 - 2⁴ = 445444457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (445444453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3227790 + ... + 3227927.

It is an arithmetic number, because the mean of its divisors is an integer number (77468616).

Almost surely, 2^445444473 is an apocalyptic number.

It is an amenable number.

445444473 is a deficient number, since it is larger than the sum of its proper divisors (174304455).

445444473 is a wasteful number, since it uses less digits than its factorization.

445444473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6455743.

The product of its digits is 430080, while the sum is 39.

The square root of 445444473 is about 21105.5555008628. Note that the first 4 decimals coincide. The cubic root of 445444473 is about 763.7147730776.

The spelling of 445444473 in words is "four hundred forty-five million, four hundred forty-four thousand, four hundred seventy-three".