45545043215 has 16 divisors (see below), whose sum is σ = 63520450560. Its totient is φ = 30701548320.

The previous prime is 45545043211. The next prime is 45545043217. The reversal of 45545043215 is 51234054554.

45545043215 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 45545043215 - 2² = 45545043211 is a prime.

It is a super-2 number, since 2×45545043215² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45545043211) 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, 11025791 + ... + 11029920.

It is an arithmetic number, because the mean of its divisors is an integer number (3970028160).

Almost surely, 2^45545043215 is an apocalyptic number.

45545043215 is a deficient number, since it is larger than the sum of its proper divisors (17975407345).

45545043215 is a wasteful number, since it uses less digits than its factorization.

45545043215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22055782.

The product of its (nonzero) digits is 240000, while the sum is 38.

Adding to 45545043215 its reverse (51234054554), we get a palindrome (96779097769).

The spelling of 45545043215 in words is "forty-five billion, five hundred forty-five million, forty-three thousand, two hundred fifteen".