45512113 has 2 divisors, whose sum is σ = 45512114. Its totient is φ = 45512112.

The previous prime is 45512099. The next prime is 45512171. The reversal of 45512113 is 31121554.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32638369 + 12873744 = 5713^2 + 3588^2 .

It is a cyclic number.

It is not a de Polignac number, because 45512113 - 2⁵ = 45512081 is a prime.

It is a super-3 number, since 3×45512113³ (a number of 24 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (45512813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22756056 + 22756057.

It is an arithmetic number, because the mean of its divisors is an integer number (22756057).

Almost surely, 2^45512113 is an apocalyptic number.

It is an amenable number.

45512113 is a deficient number, since it is larger than the sum of its proper divisors (1).

45512113 is an equidigital number, since it uses as much as digits as its factorization.

45512113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 600, while the sum is 22.

The square root of 45512113 is about 6746.2665971632. The cubic root of 45512113 is about 357.0335266031.

Adding to 45512113 its reverse (31121554), we get a palindrome (76633667).

The spelling of 45512113 in words is "forty-five million, five hundred twelve thousand, one hundred thirteen".