45130503 has 16 divisors (see below), whose sum is σ = 66439296. Its totient is φ = 27020640.

The previous prime is 45130499. The next prime is 45130543. The reversal of 45130503 is 30503154.

It is not a de Polignac number, because 45130503 - 2² = 45130499 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45130503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45130543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5500 + ... + 10977.

It is an arithmetic number, because the mean of its divisors is an integer number (4152456).

Almost surely, 2^45130503 is an apocalyptic number.

45130503 is a deficient number, since it is larger than the sum of its proper divisors (21308793).

45130503 is a wasteful number, since it uses less digits than its factorization.

45130503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16574.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 45130503 is about 6717.9240096923. The cubic root of 45130503 is about 356.0328395199.

Adding to 45130503 its reverse (30503154), we get a palindrome (75633657).

The spelling of 45130503 in words is "forty-five million, one hundred thirty thousand, five hundred three".