45344221243 has 4 divisors (see below), whose sum is σ = 45360949968. Its totient is φ = 45327492520.

The previous prime is 45344221231. The next prime is 45344221289. The reversal of 45344221243 is 34212244354.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 45344221243 - 2⁵ = 45344221211 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45344221199 and 45344221208.

It is not an unprimeable number, because it can be changed into a prime (45344221343) 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, 8360296 + ... + 8365717.

It is an arithmetic number, because the mean of its divisors is an integer number (11340237492).

Almost surely, 2^45344221243 is an apocalyptic number.

45344221243 is a deficient number, since it is larger than the sum of its proper divisors (16728725).

45344221243 is a wasteful number, since it uses less digits than its factorization.

45344221243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16728724.

The product of its digits is 92160, while the sum is 34.

Adding to 45344221243 its reverse (34212244354), we get a palindrome (79556465597).

The spelling of 45344221243 in words is "forty-five billion, three hundred forty-four million, two hundred twenty-one thousand, two hundred forty-three".