4511444545 has 8 divisors (see below), whose sum is σ = 5539634496. Its totient is φ = 3525221616.

The previous prime is 4511444533. The next prime is 4511444591. The reversal of 4511444545 is 5454441154.

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

It is a cyclic number.

It is not a de Polignac number, because 4511444545 - 2⁹ = 4511444033 is a prime.

It is a super-2 number, since 2×4511444545² = 40706263765220514050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10491517 + ... + 10491946.

It is an arithmetic number, because the mean of its divisors is an integer number (692454312).

Almost surely, 2^4511444545 is an apocalyptic number.

It is an amenable number.

4511444545 is a deficient number, since it is larger than the sum of its proper divisors (1028189951).

4511444545 is a wasteful number, since it uses less digits than its factorization.

4511444545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20983511.

The product of its digits is 128000, while the sum is 37.

The square root of 4511444545 is about 67167.2877597421. The cubic root of 4511444545 is about 1652.3620342520.

Adding to 4511444545 its reverse (5454441154), we get a palindrome (9965885699).

The spelling of 4511444545 in words is "four billion, five hundred eleven million, four hundred forty-four thousand, five hundred forty-five".