45531265203 has 6 divisors (see below), whose sum is σ = 65767383084. Its totient is φ = 30354176796.

The previous prime is 45531265193. The next prime is 45531265211. The reversal of 45531265203 is 30256213554.

45531265203 is a `hidden beast` number, since 4 + 5 + 5 + 3 + 126 + 520 + 3 = 666.

It is not a de Polignac number, because 45531265203 - 2⁴ = 45531265187 is a prime.

It is a super-2 number, since 2×45531265203² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45531265243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2529514725 + ... + 2529514742.

It is an arithmetic number, because the mean of its divisors is an integer number (10961230514).

Almost surely, 2^45531265203 is an apocalyptic number.

45531265203 is a deficient number, since it is larger than the sum of its proper divisors (20236117881).

45531265203 is a wasteful number, since it uses less digits than its factorization.

45531265203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5059029473 (or 5059029470 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

Adding to 45531265203 its reverse (30256213554), we get a palindrome (75787478757).

The spelling of 45531265203 in words is "forty-five billion, five hundred thirty-one million, two hundred sixty-five thousand, two hundred three".