445720941122 has 18 divisors (see below), whose sum is σ = 670696862283. Its totient is φ = 222157541952.

The previous prime is 445720941097. The next prime is 445720941131. The reversal of 445720941122 is 221149027544.

It can be written as a sum of positive squares in 5 ways, for example, as 424112235121 + 21608706001 = 651239^2 + 146999^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=472081.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 445720941122.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 431481518 + ... + 431482550.

Almost surely, 2^445720941122 is an apocalyptic number.

445720941122 is a deficient number, since it is larger than the sum of its proper divisors (224975921161).

445720941122 is an frugal number, since it uses more digits than its factorization.

445720941122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2982 (or 1492 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 41.

Adding to 445720941122 its reverse (221149027544), we get a palindrome (666869968666).

The spelling of 445720941122 in words is "four hundred forty-five billion, seven hundred twenty million, nine hundred forty-one thousand, one hundred twenty-two".