45125047576457 has 4 divisors (see below), whose sum is σ = 47779462139796. Its totient is φ = 42470633013120.

The previous prime is 45125047576447. The next prime is 45125047576481. The reversal of 45125047576457 is 75467574052154.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 30745904920201 + 14379142656256 = 5544899^2 + 3791984^2 .

It is a cyclic number.

It is not a de Polignac number, because 45125047576457 - 2⁶ = 45125047576393 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45125047576457.

It is not an unprimeable number, because it can be changed into a prime (45125047576447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1327207281644 + ... + 1327207281677.

It is an arithmetic number, because the mean of its divisors is an integer number (11944865534949).

Almost surely, 2^{45125047576457} is an apocalyptic number.

It is an amenable number.

45125047576457 is a deficient number, since it is larger than the sum of its proper divisors (2654414563339).

45125047576457 is a wasteful number, since it uses less digits than its factorization.

45125047576457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2654414563338.

The product of its (nonzero) digits is 164640000, while the sum is 62.

The spelling of 45125047576457 in words is "forty-five trillion, one hundred twenty-five billion, forty-seven million, five hundred seventy-six thousand, four hundred fifty-seven".