45065905 has 8 divisors (see below), whose sum is σ = 54129600. Its totient is φ = 36019056.

The previous prime is 45065887. The next prime is 45065927. The reversal of 45065905 is 50956054.

It is a happy number.

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 45065905 - 2⁹ = 45065393 is a prime.

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, 2716 + ... + 9874.

It is an arithmetic number, because the mean of its divisors is an integer number (6766200).

Almost surely, 2^45065905 is an apocalyptic number.

It is an amenable number.

45065905 is a deficient number, since it is larger than the sum of its proper divisors (9063695).

45065905 is a wasteful number, since it uses less digits than its factorization.

45065905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8423.

The product of its (nonzero) digits is 27000, while the sum is 34.

The square root of 45065905 is about 6713.1144039112. The cubic root of 45065905 is about 355.8628880100.

The spelling of 45065905 in words is "forty-five million, sixty-five thousand, nine hundred five".