45521556443 has 8 divisors (see below), whose sum is σ = 49663577856. Its totient is φ = 41380151400.

The previous prime is 45521556439. The next prime is 45521556463. The reversal of 45521556443 is 34465512554.

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 45521556443 - 2² = 45521556439 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45521556394 and 45521556403.

It is not an unprimeable number, because it can be changed into a prime (45521556463) 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, 7730 + ... + 301832.

It is an arithmetic number, because the mean of its divisors is an integer number (6207947232).

Almost surely, 2^45521556443 is an apocalyptic number.

45521556443 is a deficient number, since it is larger than the sum of its proper divisors (4142021413).

45521556443 is a wasteful number, since it uses less digits than its factorization.

45521556443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308185.

The product of its digits is 1440000, while the sum is 44.

The spelling of 45521556443 in words is "forty-five billion, five hundred twenty-one million, five hundred fifty-six thousand, four hundred forty-three".