45105636648473 has 4 divisors (see below), whose sum is σ = 45115059180240. Its totient is φ = 45096214116708.

The previous prime is 45105636648451. The next prime is 45105636648497. The reversal of 45105636648473 is 37484663650154.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 45105636648473 - 2¹⁸ = 45105636386329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45105636648073) 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, 4711258703 + ... + 4711268276.

It is an arithmetic number, because the mean of its divisors is an integer number (11278764795060).

Almost surely, 2^{45105636648473} is an apocalyptic number.

It is an amenable number.

45105636648473 is a deficient number, since it is larger than the sum of its proper divisors (9422531767).

45105636648473 is an equidigital number, since it uses as much as digits as its factorization.

45105636648473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9422531766.

The product of its (nonzero) digits is 174182400, while the sum is 62.

The spelling of 45105636648473 in words is "forty-five trillion, one hundred five billion, six hundred thirty-six million, six hundred forty-eight thousand, four hundred seventy-three".