45545013 has 12 divisors (see below), whose sum is σ = 65953420. Its totient is φ = 30286656.

The previous prime is 45544997. The next prime is 45545047. The reversal of 45545013 is 31054554.

It can be written as a sum of positive squares in 2 ways, for example, as 33663204 + 11881809 = 5802^2 + 3447^2 .

It is not a de Polignac number, because 45545013 - 2⁴ = 45544997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45540013) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2506 + ... + 9867.

Almost surely, 2^45545013 is an apocalyptic number.

It is an amenable number.

45545013 is a deficient number, since it is larger than the sum of its proper divisors (20408407).

45545013 is a wasteful number, since it uses less digits than its factorization.

45545013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12788 (or 12785 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 45545013 is about 6748.7045423548. The cubic root of 45545013 is about 357.1195372126.

Adding to 45545013 its reverse (31054554), we get a palindrome (76599567).

The spelling of 45545013 in words is "forty-five million, five hundred forty-five thousand, thirteen".