45221663443 has 8 divisors (see below), whose sum is σ = 49447190016. Its totient is φ = 41015214600.

The previous prime is 45221663423. The next prime is 45221663471. The reversal of 45221663443 is 34436612254.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45221663443 - 2¹⁷ = 45221532371 is a prime.

It is a super-2 number, since 2×45221663443² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45221663396 and 45221663405.

It is not an unprimeable number, because it can be changed into a prime (45221663423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4764471 + ... + 4773952.

It is an arithmetic number, because the mean of its divisors is an integer number (6180898752).

Almost surely, 2^45221663443 is an apocalyptic number.

45221663443 is a deficient number, since it is larger than the sum of its proper divisors (4225526573).

45221663443 is a wasteful number, since it uses less digits than its factorization.

45221663443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9538865.

The product of its digits is 414720, while the sum is 40.

The spelling of 45221663443 in words is "forty-five billion, two hundred twenty-one million, six hundred sixty-three thousand, four hundred forty-three".