4045081745 has 8 divisors (see below), whose sum is σ = 5139633384. Its totient is φ = 3045708544.

The previous prime is 4045081687. The next prime is 4045081753. The reversal of 4045081745 is 5471805404.

It can be written as a sum of positive squares in 4 ways, for example, as 1340145664 + 2704936081 = 36608^2 + 52009^2 .

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 4045081745 - 2¹² = 4045077649 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4045081699 and 4045081708.

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, 23794514 + ... + 23794683.

It is an arithmetic number, because the mean of its divisors is an integer number (642454173).

Almost surely, 2^4045081745 is an apocalyptic number.

It is an amenable number.

4045081745 is a deficient number, since it is larger than the sum of its proper divisors (1094551639).

4045081745 is a wasteful number, since it uses less digits than its factorization.

4045081745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47589219.

The product of its (nonzero) digits is 89600, while the sum is 38.

The square root of 4045081745 is about 63600.9571075782. The cubic root of 4045081745 is about 1593.3423546531.

The spelling of 4045081745 in words is "four billion, forty-five million, eighty-one thousand, seven hundred forty-five".