45113513 has 4 divisors (see below), whose sum is σ = 45300948. Its totient is φ = 44926080.

The previous prime is 45113501. The next prime is 45113521. The reversal of 45113513 is 31531154.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 27741289 + 17372224 = 5267^2 + 4168^2 .

It is a cyclic number.

It is not a de Polignac number, because 45113513 - 2¹⁸ = 44851369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45113533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93356 + ... + 93837.

It is an arithmetic number, because the mean of its divisors is an integer number (11325237).

Almost surely, 2^45113513 is an apocalyptic number.

It is an amenable number.

45113513 is a deficient number, since it is larger than the sum of its proper divisors (187435).

45113513 is a wasteful number, since it uses less digits than its factorization.

45113513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187434.

The product of its digits is 900, while the sum is 23.

The square root of 45113513 is about 6716.6593631060. The cubic root of 45113513 is about 355.9881560887.

Adding to 45113513 its reverse (31531154), we get a palindrome (76644667).

The spelling of 45113513 in words is "forty-five million, one hundred thirteen thousand, five hundred thirteen".