45032013 has 12 divisors (see below), whose sum is σ = 70049980. Its totient is φ = 27711936.

The previous prime is 45032011. The next prime is 45032047. The reversal of 45032013 is 31023054.

45032013 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 2 ways, for example, as 11819844 + 33212169 = 3438^2 + 5763^2 .

It is not a de Polignac number, because 45032013 - 2¹ = 45032011 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45032011) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 192328 + ... + 192561.

Almost surely, 2^45032013 is an apocalyptic number.

It is an amenable number.

45032013 is a deficient number, since it is larger than the sum of its proper divisors (25017967).

45032013 is a wasteful number, since it uses less digits than its factorization.

45032013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384908 (or 384905 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 45032013 is about 6710.5896164197. The cubic root of 45032013 is about 355.7736562523.

Adding to 45032013 its reverse (31023054), we get a palindrome (76055067).

The spelling of 45032013 in words is "forty-five million, thirty-two thousand, thirteen".