45505420744647 has 16 divisors (see below), whose sum is σ = 60857793456768. Its totient is φ = 30245110771680.

The previous prime is 45505420744643. The next prime is 45505420744687. The reversal of 45505420744647 is 74644702450554.

It is a happy number.

45505420744647 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 45505420744647 - 2² = 45505420744643 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45505420744643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12537493 + ... + 15754350.

It is an arithmetic number, because the mean of its divisors is an integer number (3803612091048).

Almost surely, 2^{45505420744647} is an apocalyptic number.

45505420744647 is a deficient number, since it is larger than the sum of its proper divisors (15352372712121).

45505420744647 is a wasteful number, since it uses less digits than its factorization.

45505420744647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28293470.

The product of its (nonzero) digits is 75264000, while the sum is 57.

The spelling of 45505420744647 in words is "forty-five trillion, five hundred five billion, four hundred twenty million, seven hundred forty-four thousand, six hundred forty-seven".