445021544144 has 40 divisors (see below), whose sum is σ = 874565482560. Its totient is φ = 219349728000.

The previous prime is 445021544129. The next prime is 445021544161. The reversal of 445021544144 is 441445120544.

It is a junction number, because it is equal to n+sod(n) for n = 445021544098 and 445021544107.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 386549 + ... + 1019540.

It is an arithmetic number, because the mean of its divisors is an integer number (21864137064).

Almost surely, 2^445021544144 is an apocalyptic number.

It is an amenable number.

445021544144 is a deficient number, since it is larger than the sum of its proper divisors (429543938416).

445021544144 is a wasteful number, since it uses less digits than its factorization.

445021544144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1406379 (or 1406373 counting only the distinct ones).

The product of its (nonzero) digits is 204800, while the sum is 38.

Adding to 445021544144 its reverse (441445120544), we get a palindrome (886466664688).

The spelling of 445021544144 in words is "four hundred forty-five billion, twenty-one million, five hundred forty-four thousand, one hundred forty-four".