45006773905 has 8 divisors (see below), whose sum is σ = 54009499752. Its totient is φ = 36004505088.

The previous prime is 45006773899. The next prime is 45006773951. The reversal of 45006773905 is 50937760054.

It is a Cunningham number, because it is equal to 212148²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 16202234944 + 28804538961 = 127288^2 + 169719^2 .

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 45006773905 - 2⁵ = 45006773873 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164007 + ... + 341923.

It is an arithmetic number, because the mean of its divisors is an integer number (6751187469).

Almost surely, 2^45006773905 is an apocalyptic number.

It is an amenable number.

45006773905 is a deficient number, since it is larger than the sum of its proper divisors (9002725847).

45006773905 is a wasteful number, since it uses less digits than its factorization.

45006773905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228515.

The product of its (nonzero) digits is 793800, while the sum is 46.

The spelling of 45006773905 in words is "forty-five billion, six million, seven hundred seventy-three thousand, nine hundred five".