445543355223 has 64 divisors (see below), whose sum is σ = 681901718400. Its totient is φ = 287330181120.

The previous prime is 445543355189. The next prime is 445543355233. The reversal of 445543355223 is 322553345544.

445543355223 is a `hidden beast` number, since 4 + 4 + 5 + 543 + 35 + 52 + 23 = 666.

It is not a de Polignac number, because 445543355223 - 2⁸ = 445543354967 is a prime.

It is a super-2 number, since 2×445543355223² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445543355233) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 225819265 + ... + 225821237.

It is an arithmetic number, because the mean of its divisors is an integer number (10654714350).

Almost surely, 2^445543355223 is an apocalyptic number.

445543355223 is a deficient number, since it is larger than the sum of its proper divisors (236358363177).

445543355223 is a wasteful number, since it uses less digits than its factorization.

445543355223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3649 (or 3643 counting only the distinct ones).

The product of its digits is 4320000, while the sum is 45.

The spelling of 445543355223 in words is "four hundred forty-five billion, five hundred forty-three million, three hundred fifty-five thousand, two hundred twenty-three".