443145656 has 8 divisors (see below), whose sum is σ = 830898120. Its totient is φ = 221572824.

The previous prime is 443145649. The next prime is 443145673. The reversal of 443145656 is 656541344.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27696596 + ... + 27696611.

It is an arithmetic number, because the mean of its divisors is an integer number (103862265).

Almost surely, 2^443145656 is an apocalyptic number.

It is an amenable number.

443145656 is a deficient number, since it is larger than the sum of its proper divisors (387752464).

443145656 is a wasteful number, since it uses less digits than its factorization.

443145656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55393213 (or 55393209 counting only the distinct ones).

The product of its digits is 172800, while the sum is 38.

The square root of 443145656 is about 21051.0250581771. The cubic root of 443145656 is about 762.3987322647.

The spelling of 443145656 in words is "four hundred forty-three million, one hundred forty-five thousand, six hundred fifty-six".