45008605 has 8 divisors (see below), whose sum is σ = 57187512. Its totient is φ = 33888768.

The previous prime is 45008597. The next prime is 45008651. The reversal of 45008605 is 50680054.

It can be written as a sum of positive squares in 4 ways, for example, as 11519236 + 33489369 = 3394^2 + 5787^2 .

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 45008605 - 2³ = 45008597 is a prime.

It is a Duffinian number.

It is a congruent 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, 264672 + ... + 264841.

It is an arithmetic number, because the mean of its divisors is an integer number (7148439).

Almost surely, 2^45008605 is an apocalyptic number.

It is an amenable number.

45008605 is a deficient number, since it is larger than the sum of its proper divisors (12178907).

45008605 is a wasteful number, since it uses less digits than its factorization.

45008605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529535.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 45008605 is about 6708.8452806724. The cubic root of 45008605 is about 355.7120009054.

Adding to 45008605 its reverse (50680054), we get a palindrome (95688659).

The spelling of 45008605 in words is "forty-five million, eight thousand, six hundred five".