45012005 has 16 divisors (see below), whose sum is σ = 57541104. Its totient is φ = 33684480.

The previous prime is 45011983. The next prime is 45012029. The reversal of 45012005 is 50021054.

45012005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 14386849 + 30625156 = 3793^2 + 5534^2 .

It is not a de Polignac number, because 45012005 - 2¹⁶ = 44946469 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13175 + ... + 16235.

It is an arithmetic number, because the mean of its divisors is an integer number (3596319).

Almost surely, 2^45012005 is an apocalyptic number.

It is an amenable number.

45012005 is a deficient number, since it is larger than the sum of its proper divisors (12529099).

45012005 is a wasteful number, since it uses less digits than its factorization.

45012005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3256.

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 45012005 is about 6709.0986726981. The cubic root of 45012005 is about 355.7209576397.

Adding to 45012005 its reverse (50021054), we get a palindrome (95033059).

The spelling of 45012005 in words is "forty-five million, twelve thousand, five".