5445555445 has 8 divisors (see below), whose sum is σ = 7128727200. Its totient is φ = 3960403920.

The previous prime is 5445555443. The next prime is 5445555469.

5445555445 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5445555445 - 2¹ = 5445555443 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5445555395 and 5445555404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5445555443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49504995 + ... + 49505104.

It is an arithmetic number, because the mean of its divisors is an integer number (891090900).

Almost surely, 2^5445555445 is an apocalyptic number.

5445555445 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5445555445 is a deficient number, since it is larger than the sum of its proper divisors (1683171755).

5445555445 is a wasteful number, since it uses less digits than its factorization.

5445555445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99010115.

The product of its digits is 4000000, while the sum is 46.

The square root of 5445555445 is about 73794.0068365989. The cubic root of 5445555445 is about 1759.3303501189.

The spelling of 5445555445 in words is "five billion, four hundred forty-five million, five hundred fifty-five thousand, four hundred forty-five".