4554444445 has 4 divisors (see below), whose sum is σ = 5465333340. Its totient is φ = 3643555552.

The previous prime is 4554444439. The next prime is 4554444463. The reversal of 4554444445 is 5444444554.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3307860196 + 1246584249 = 57514^2 + 35307^2 .

It is a cyclic number.

It is not a de Polignac number, because 4554444445 - 2⁵ = 4554444413 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 455444440 + ... + 455444449.

It is an arithmetic number, because the mean of its divisors is an integer number (1366333335).

Almost surely, 2^4554444445 is an apocalyptic number.

It is an amenable number.

4554444445 is a deficient number, since it is larger than the sum of its proper divisors (910888895).

4554444445 is an equidigital number, since it uses as much as digits as its factorization.

4554444445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 910888894.

The product of its digits is 2048000, while the sum is 43.

The square root of 4554444445 is about 67486.6241932429. The cubic root of 4554444445 is about 1657.5951587392.

Adding to 4554444445 its reverse (5444444554), we get a palindrome (9998888999).

The spelling of 4554444445 in words is "four billion, five hundred fifty-four million, four hundred forty-four thousand, four hundred forty-five".