445455554543 has 16 divisors (see below), whose sum is σ = 469541318400. Its totient is φ = 422112304320.

The previous prime is 445455554497. The next prime is 445455554647. The reversal of 445455554543 is 345455554544.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 445455554543 - 2¹⁰ = 445455553519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445455554443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 390203 + ... + 1021356.

It is an arithmetic number, because the mean of its divisors is an integer number (29346332400).

Almost surely, 2^445455554543 is an apocalyptic number.

445455554543 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

445455554543 is a deficient number, since it is larger than the sum of its proper divisors (24085763857).

445455554543 is a wasteful number, since it uses less digits than its factorization.

445455554543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1411822.

The product of its digits is 48000000, while the sum is 53.

Subtracting from 445455554543 its reverse (345455554544), we obtain a palindrome (99999999999).

The spelling of 445455554543 in words is "four hundred forty-five billion, four hundred fifty-five million, five hundred fifty-four thousand, five hundred forty-three".