45512440457 has 16 divisors (see below), whose sum is σ = 54535403520. Its totient is φ = 37493082000.

The previous prime is 45512440453. The next prime is 45512440487. The reversal of 45512440457 is 75404421554.

It is a happy number.

It is not a de Polignac number, because 45512440457 - 2² = 45512440453 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45512440451) 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, 4729169 + ... + 4738782.

It is an arithmetic number, because the mean of its divisors is an integer number (3408462720).

Almost surely, 2^45512440457 is an apocalyptic number.

It is an amenable number.

45512440457 is a deficient number, since it is larger than the sum of its proper divisors (9022963063).

45512440457 is a wasteful number, since it uses less digits than its factorization.

45512440457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9468004.

The product of its (nonzero) digits is 448000, while the sum is 41.

The spelling of 45512440457 in words is "forty-five billion, five hundred twelve million, four hundred forty thousand, four hundred fifty-seven".