245132220503 has 4 divisors (see below), whose sum is σ = 245321221200. Its totient is φ = 244943219808.

The previous prime is 245132220493. The next prime is 245132220521. The reversal of 245132220503 is 305022231542.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-245132220503 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 (245132220533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94498403 + ... + 94500996.

It is an arithmetic number, because the mean of its divisors is an integer number (61330305300).

Almost surely, 2^245132220503 is an apocalyptic number.

245132220503 is a deficient number, since it is larger than the sum of its proper divisors (189000697).

245132220503 is a wasteful number, since it uses less digits than its factorization.

245132220503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189000696.

The product of its (nonzero) digits is 14400, while the sum is 29.

The spelling of 245132220503 in words is "two hundred forty-five billion, one hundred thirty-two million, two hundred twenty thousand, five hundred three".