245528702503 has 16 divisors (see below), whose sum is σ = 286387200000. Its totient is φ = 210411755736.

The previous prime is 245528702483. The next prime is 245528702513. The reversal of 245528702503 is 305207825542.

It is a de Polignac number, because none of the positive numbers 2^k-245528702503 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 245528702503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245528702513) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1742898 + ... + 1878496.

It is an arithmetic number, because the mean of its divisors is an integer number (17899200000).

Almost surely, 2^245528702503 is an apocalyptic number.

245528702503 is a deficient number, since it is larger than the sum of its proper divisors (40858497497).

245528702503 is an equidigital number, since it uses as much as digits as its factorization.

245528702503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140899 (or 140885 counting only the distinct ones).

The product of its (nonzero) digits is 672000, while the sum is 43.

The spelling of 245528702503 in words is "two hundred forty-five billion, five hundred twenty-eight million, seven hundred two thousand, five hundred three".