45115289 has 2 divisors, whose sum is σ = 45115290. Its totient is φ = 45115288.

The previous prime is 45115277. The next prime is 45115309. The reversal of 45115289 is 98251154.

45115289 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35904064 + 9211225 = 5992^2 + 3035^2 .

It is a cyclic number.

It is not a de Polignac number, because 45115289 - 2²⁴ = 28338073 is a prime.

It is not a weakly prime, because it can be changed into another prime (45115219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22557644 + 22557645.

It is an arithmetic number, because the mean of its divisors is an integer number (22557645).

Almost surely, 2^45115289 is an apocalyptic number.

It is an amenable number.

45115289 is a deficient number, since it is larger than the sum of its proper divisors (1).

45115289 is an equidigital number, since it uses as much as digits as its factorization.

45115289 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14400, while the sum is 35.

The square root of 45115289 is about 6716.7915703854. The cubic root of 45115289 is about 355.9928274656.

The spelling of 45115289 in words is "forty-five million, one hundred fifteen thousand, two hundred eighty-nine".