45271223671 has 4 divisors (see below), whose sum is σ = 45271771272. Its totient is φ = 45270676072.

The previous prime is 45271223659. The next prime is 45271223693. The reversal of 45271223671 is 17632217254.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 17632217254 = 2 ⋅8816108627.

It is a cyclic number.

It is not a de Polignac number, because 45271223671 - 2²⁹ = 44734352759 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45271223171) 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, 121585 + ... + 324538.

It is an arithmetic number, because the mean of its divisors is an integer number (11317942818).

Almost surely, 2^45271223671 is an apocalyptic number.

45271223671 is a deficient number, since it is larger than the sum of its proper divisors (547601).

45271223671 is a wasteful number, since it uses less digits than its factorization.

45271223671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547600.

The product of its digits is 141120, while the sum is 40.

The spelling of 45271223671 in words is "forty-five billion, two hundred seventy-one million, two hundred twenty-three thousand, six hundred seventy-one".