45103253503 has 32 divisors (see below), whose sum is σ = 59561118720. Its totient is φ = 33066524160.

The previous prime is 45103253467. The next prime is 45103253509. The reversal of 45103253503 is 30535230154.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45103253503 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 (45103253509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6296638 + ... + 6303796.

It is an arithmetic number, because the mean of its divisors is an integer number (1861284960).

Almost surely, 2^45103253503 is an apocalyptic number.

45103253503 is a deficient number, since it is larger than the sum of its proper divisors (14457865217).

45103253503 is a wasteful number, since it uses less digits than its factorization.

45103253503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12007.

The product of its (nonzero) digits is 27000, while the sum is 31.

Adding to 45103253503 its reverse (30535230154), we get a palindrome (75638483657).

The spelling of 45103253503 in words is "forty-five billion, one hundred three million, two hundred fifty-three thousand, five hundred three".