45457053444757 has 4 divisors (see below), whose sum is σ = 45457869297996. Its totient is φ = 45456237591520.

The previous prime is 45457053444739. The next prime is 45457053444791. The reversal of 45457053444757 is 75744435075454.

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 45247766409316 + 209287035441 = 6726646^2 + 457479^2 .

It is a cyclic number.

It is not a de Polignac number, because 45457053444757 - 2¹⁹ = 45457052920469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45457053444727) 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, 407843038 + ... + 407954479.

It is an arithmetic number, because the mean of its divisors is an integer number (11364467324499).

Almost surely, 2^{45457053444757} is an apocalyptic number.

It is an amenable number.

45457053444757 is a deficient number, since it is larger than the sum of its proper divisors (815853239).

45457053444757 is an equidigital number, since it uses as much as digits as its factorization.

45457053444757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 815853238.

The product of its (nonzero) digits is 658560000, while the sum is 64.

The spelling of 45457053444757 in words is "forty-five trillion, four hundred fifty-seven billion, fifty-three million, four hundred forty-four thousand, seven hundred fifty-seven".