45243877820847 has 16 divisors (see below), whose sum is σ = 63505215707520. Its totient is φ = 28572814389600.

The previous prime is 45243877820839. The next prime is 45243877820857. The reversal of 45243877820847 is 74802877834254.

It is not a de Polignac number, because 45243877820847 - 2³ = 45243877820839 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45243877820837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30751804 + ... + 32189457.

It is an arithmetic number, because the mean of its divisors is an integer number (3969075981720).

Almost surely, 2^{45243877820847} is an apocalyptic number.

45243877820847 is a deficient number, since it is larger than the sum of its proper divisors (18261337886673).

45243877820847 is a wasteful number, since it uses less digits than its factorization.

45243877820847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62953894.

The product of its (nonzero) digits is 674365440, while the sum is 69.

The spelling of 45243877820847 in words is "forty-five trillion, two hundred forty-three billion, eight hundred seventy-seven million, eight hundred twenty thousand, eight hundred forty-seven".