4520154503 has 4 divisors (see below), whose sum is σ = 4520296560. Its totient is φ = 4520012448.

The previous prime is 4520154421. The next prime is 4520154521. The reversal of 4520154503 is 3054510254.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 4520154503 - 2¹⁰ = 4520153479 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 (4520154523) 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, 1151 + ... + 95087.

It is an arithmetic number, because the mean of its divisors is an integer number (1130074140).

Almost surely, 2^4520154503 is an apocalyptic number.

4520154503 is a deficient number, since it is larger than the sum of its proper divisors (142057).

4520154503 is an equidigital number, since it uses as much as digits as its factorization.

4520154503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142056.

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 4520154503 is about 67232.0942928301. The cubic root of 4520154503 is about 1653.4247206258.

Adding to 4520154503 its reverse (3054510254), we get a palindrome (7574664757).

The spelling of 4520154503 in words is "four billion, five hundred twenty million, one hundred fifty-four thousand, five hundred three".