5445445445 has 16 divisors (see below), whose sum is σ = 7134462720. Its totient is φ = 3957057600.

The previous prime is 5445445441. The next prime is 5445445451.

5445445445 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 5445445445 - 2² = 5445445441 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5445445396 and 5445445405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5445445441) 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, 27491 + ... + 107919.

It is an arithmetic number, because the mean of its divisors is an integer number (445903920).

Almost surely, 2^5445445445 is an apocalyptic number.

5445445445 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5445445445 is a deficient number, since it is larger than the sum of its proper divisors (1689017275).

5445445445 is a wasteful number, since it uses less digits than its factorization.

5445445445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81676.

The product of its digits is 2560000, while the sum is 44.

The square root of 5445445445 is about 73793.2615148565. The cubic root of 5445445445 is about 1759.3185039051.

It can be divided in two parts, 54454 and 45445, that added together give a palindrome (99899).

The spelling of 5445445445 in words is "five billion, four hundred forty-five million, four hundred forty-five thousand, four hundred forty-five".