5445665445 has 16 divisors (see below), whose sum is σ = 9505161792. Its totient is φ = 2640322560.

The previous prime is 5445665363. The next prime is 5445665479.

It is a happy number.

5445665445 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 5445665445 - 2⁷ = 5445665317 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5445665394 and 5445665403.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16501852 + ... + 16502181.

It is an arithmetic number, because the mean of its divisors is an integer number (594072612).

Almost surely, 2^5445665445 is an apocalyptic number.

5445665445 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5445665445 is a deficient number, since it is larger than the sum of its proper divisors (4059496347).

5445665445 is a wasteful number, since it uses less digits than its factorization.

5445665445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33004052.

The product of its digits is 5760000, while the sum is 48.

The square root of 5445665445 is about 73794.7521508135. The cubic root of 5445665445 is about 1759.3421961731.

The spelling of 5445665445 in words is "five billion, four hundred forty-five million, six hundred sixty-five thousand, four hundred forty-five".