445040122443543 has 96 divisors (see below), whose sum is σ = 741468824957952. Its totient is φ = 264454116451200.

The previous prime is 445040122443517. The next prime is 445040122443557. The reversal of 445040122443543 is 345344221040544.

445040122443543 is a `hidden beast` number, since 4 + 4 + 5 + 0 + 40 + 1 + 2 + 24 + 43 + 543 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-445040122443543 is a prime.

It is a super-2 number, since 2×445040122443543² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445040122443583) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 209605513 + ... + 211718093.

It is an arithmetic number, because the mean of its divisors is an integer number (7723633593312).

Almost surely, 2^{445040122443543} is an apocalyptic number.

445040122443543 is a deficient number, since it is larger than the sum of its proper divisors (296428702514409).

445040122443543 is a wasteful number, since it uses less digits than its factorization.

445040122443543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2114147 (or 2114135 counting only the distinct ones).

The product of its (nonzero) digits is 3686400, while the sum is 45.

The spelling of 445040122443543 in words is "four hundred forty-five trillion, forty billion, one hundred twenty-two million, four hundred forty-three thousand, five hundred forty-three".