45130013 has 2 divisors, whose sum is σ = 45130014. Its totient is φ = 45130012.

The previous prime is 45130009. The next prime is 45130037. The reversal of 45130013 is 31003154.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30052324 + 15077689 = 5482^2 + 3883^2 .

It is a cyclic number.

It is not a de Polignac number, because 45130013 - 2² = 45130009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 45129973 and 45130000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45130913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22565006 + 22565007.

It is an arithmetic number, because the mean of its divisors is an integer number (22565007).

Almost surely, 2^45130013 is an apocalyptic number.

It is an amenable number.

45130013 is a deficient number, since it is larger than the sum of its proper divisors (1).

45130013 is an equidigital number, since it uses as much as digits as its factorization.

45130013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 45130013 is about 6717.8875399935. The cubic root of 45130013 is about 356.0315509848.

Adding to 45130013 its reverse (31003154), we get a palindrome (76133167).

It can be divided in two parts, 45 and 130013, that multiplied together give a palindrome (5850585).

The spelling of 45130013 in words is "forty-five million, one hundred thirty thousand, thirteen".