108245689 has 2 divisors, whose sum is σ = 108245690. Its totient is φ = 108245688.

The previous prime is 108245671. The next prime is 108245723. The reversal of 108245689 is 986542801.

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., 89927289 + 18318400 = 9483^2 + 4280^2 .

It is a cyclic number.

It is not a de Polignac number, because 108245689 - 2⁷ = 108245561 is a prime.

It is not a weakly prime, because it can be changed into another prime (108245629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54122844 + 54122845.

It is an arithmetic number, because the mean of its divisors is an integer number (54122845).

Almost surely, 2^108245689 is an apocalyptic number.

It is an amenable number.

108245689 is a deficient number, since it is larger than the sum of its proper divisors (1).

108245689 is an equidigital number, since it uses as much as digits as its factorization.

108245689 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 138240, while the sum is 43.

The square root of 108245689 is about 10404.1188478410. The cubic root of 108245689 is about 476.5811596721.

The spelling of 108245689 in words is "one hundred eight million, two hundred forty-five thousand, six hundred eighty-nine".