45045445443 has 8 divisors (see below), whose sum is σ = 60190879056. Its totient is φ = 29965154400.

The previous prime is 45045445433. The next prime is 45045445447. The reversal of 45045445443 is 34454454054.

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

It is not a de Polignac number, because 45045445443 - 2¹² = 45045441347 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 45045445395 and 45045445404.

It is not an unprimeable number, because it can be changed into a prime (45045445447) 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, 16284028 + ... + 16286793.

It is an arithmetic number, because the mean of its divisors is an integer number (7523859882).

Almost surely, 2^45045445443 is an apocalyptic number.

45045445443 is a deficient number, since it is larger than the sum of its proper divisors (15145433613).

45045445443 is a wasteful number, since it uses less digits than its factorization.

45045445443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32571285.

The product of its (nonzero) digits is 1536000, while the sum is 42.

Adding to 45045445443 its reverse (34454454054), we get a palindrome (79499899497).

The spelling of 45045445443 in words is "forty-five billion, forty-five million, four hundred forty-five thousand, four hundred forty-three".