8806145445 has 30 divisors (see below), whose sum is σ = 15789217158. Its totient is φ = 4695603696.

The previous prime is 8806145443. The next prime is 8806145461. The reversal of 8806145445 is 5445416088.

It is a happy number.

8806145445 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 7044916356 + 1761229089 = 83934^2 + 41967^2 .

It is not a de Polignac number, because 8806145445 - 2¹ = 8806145443 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 8806145445.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8806145443) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 1886184 + ... + 1890846.

Almost surely, 2^8806145445 is an apocalyptic number.

It is an amenable number.

8806145445 is a deficient number, since it is larger than the sum of its proper divisors (6983071713).

8806145445 is an frugal number, since it uses more digits than its factorization.

8806145445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9343 (or 4671 counting only the distinct ones).

The product of its (nonzero) digits is 614400, while the sum is 45.

The square root of 8806145445 is about 93841.0648117337. The cubic root of 8806145445 is about 2065.0407115581.

Multiplying 8806145445 by its sum of digits (45), we get a square (396276545025 = 629505²).

8806145445 divided by its sum of digits (45) gives a square (195692121 = 13989²).

The spelling of 8806145445 in words is "eight billion, eight hundred six million, one hundred forty-five thousand, four hundred forty-five".