223115034545 has 48 divisors (see below), whose sum is σ = 310350139200. Its totient is φ = 153443946240.

The previous prime is 223115034533. The next prime is 223115034563. The reversal of 223115034545 is 545430511322.

It is a de Polignac number, because none of the positive numbers 2^k-223115034545 is a prime.

It is a super-3 number, since 3×223115034545³ (a number of 35 digits) contains 333 as substring.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 829475 + ... + 1065015.

It is an arithmetic number, because the mean of its divisors is an integer number (6465627900).

Almost surely, 2^223115034545 is an apocalyptic number.

It is an amenable number.

223115034545 is a deficient number, since it is larger than the sum of its proper divisors (87235104655).

223115034545 is a wasteful number, since it uses less digits than its factorization.

223115034545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235650 (or 235637 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 35.

Adding to 223115034545 its reverse (545430511322), we get a palindrome (768545545867).

The spelling of 223115034545 in words is "two hundred twenty-three billion, one hundred fifteen million, thirty-four thousand, five hundred forty-five".