45108691 has 2 divisors, whose sum is σ = 45108692. Its totient is φ = 45108690.

The previous prime is 45108653. The next prime is 45108703. The reversal of 45108691 is 19680154.

45108691 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45108691 - 2⁷ = 45108563 is a prime.

It is not a weakly prime, because it can be changed into another prime (45108611) 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, 22554345 + 22554346.

It is an arithmetic number, because the mean of its divisors is an integer number (22554346).

Almost surely, 2^45108691 is an apocalyptic number.

45108691 is a deficient number, since it is larger than the sum of its proper divisors (1).

45108691 is an equidigital number, since it uses as much as digits as its factorization.

45108691 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 45108691 is about 6716.3003953069. The cubic root of 45108691 is about 355.9754722612.

The spelling of 45108691 in words is "forty-five million, one hundred eight thousand, six hundred ninety-one".