45216113 has 2 divisors, whose sum is σ = 45216114. Its totient is φ = 45216112.

The previous prime is 45216103. The next prime is 45216121. The reversal of 45216113 is 31161254.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43191184 + 2024929 = 6572^2 + 1423^2 .

It is a cyclic number.

It is not a de Polignac number, because 45216113 - 2⁴ = 45216097 is a prime.

It is not a weakly prime, because it can be changed into another prime (45216103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22608056 + 22608057.

It is an arithmetic number, because the mean of its divisors is an integer number (22608057).

Almost surely, 2^45216113 is an apocalyptic number.

It is an amenable number.

45216113 is a deficient number, since it is larger than the sum of its proper divisors (1).

45216113 is an equidigital number, since it uses as much as digits as its factorization.

45216113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 720, while the sum is 23.

The square root of 45216113 is about 6724.2927509144. The cubic root of 45216113 is about 356.2578220094.

Adding to 45216113 its reverse (31161254), we get a palindrome (76377367).

The spelling of 45216113 in words is "forty-five million, two hundred sixteen thousand, one hundred thirteen".