4515445423 has 4 divisors (see below), whose sum is σ = 4572603040. Its totient is φ = 4458287808.

The previous prime is 4515445379. The next prime is 4515445439. The reversal of 4515445423 is 3245445154.

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

It is a cyclic number.

It is not a de Polignac number, because 4515445423 - 2⁹ = 4515444911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4515445483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28578690 + ... + 28578847.

It is an arithmetic number, because the mean of its divisors is an integer number (1143150760).

Almost surely, 2^4515445423 is an apocalyptic number.

4515445423 is a deficient number, since it is larger than the sum of its proper divisors (57157617).

4515445423 is an equidigital number, since it uses as much as digits as its factorization.

4515445423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57157616.

The product of its digits is 192000, while the sum is 37.

The square root of 4515445423 is about 67197.0640950927. The cubic root of 4515445423 is about 1652.8503438952.

The spelling of 4515445423 in words is "four billion, five hundred fifteen million, four hundred forty-five thousand, four hundred twenty-three".