4457045537 has 12 divisors (see below), whose sum is σ = 5214705876. Its totient is φ = 3798234720.

The previous prime is 4457045497. The next prime is 4457045539. The reversal of 4457045537 is 7355407544.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2735708416 + 1721337121 = 52304^2 + 41489^2 .

It is not a de Polignac number, because 4457045537 - 2²⁸ = 4188610081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4457045539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 254414 + ... + 271367.

It is an arithmetic number, because the mean of its divisors is an integer number (434558823).

Almost surely, 2^4457045537 is an apocalyptic number.

It is an amenable number.

4457045537 is a deficient number, since it is larger than the sum of its proper divisors (757660339).

4457045537 is a wasteful number, since it uses less digits than its factorization.

4457045537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525968 (or 525961 counting only the distinct ones).

The product of its (nonzero) digits is 1176000, while the sum is 44.

The square root of 4457045537 is about 66761.1079671391. The cubic root of 4457045537 is about 1645.6937650122.

The spelling of 4457045537 in words is "four billion, four hundred fifty-seven million, forty-five thousand, five hundred thirty-seven".