445537735545 has 16 divisors (see below), whose sum is σ = 814697573760. Its totient is φ = 203674393344.

The previous prime is 445537735543. The next prime is 445537735561. The reversal of 445537735545 is 545537735544.

It is not a de Polignac number, because 445537735545 - 2¹ = 445537735543 is a prime.

It is not an unprimeable number, because it can be changed into a prime (445537735543) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2121608160 + ... + 2121608369.

It is an arithmetic number, because the mean of its divisors is an integer number (50918598360).

Almost surely, 2^445537735545 is an apocalyptic number.

It is an amenable number.

445537735545 is a deficient number, since it is larger than the sum of its proper divisors (369159838215).

445537735545 is a wasteful number, since it uses less digits than its factorization.

445537735545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4243216544.

The product of its digits is 88200000, while the sum is 57.

Subtracting 445537735545 from its reverse (545537735544), we obtain a palindrome (99999999999).

The spelling of 445537735545 in words is "four hundred forty-five billion, five hundred thirty-seven million, seven hundred thirty-five thousand, five hundred forty-five".