108148609 has 2 divisors, whose sum is σ = 108148610. Its totient is φ = 108148608.

The previous prime is 108148603. The next prime is 108148619. The reversal of 108148609 is 906841801.

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., 54346384 + 53802225 = 7372^2 + 7335^2 .

It is an emirp because it is prime and its reverse (906841801) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 108148609 - 2⁹ = 108148097 is a prime.

It is a super-2 number, since 2×108148609² = 23392243257269762, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (108148603) 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, 54074304 + 54074305.

It is an arithmetic number, because the mean of its divisors is an integer number (54074305).

Almost surely, 2^108148609 is an apocalyptic number.

It is an amenable number.

108148609 is a deficient number, since it is larger than the sum of its proper divisors (1).

108148609 is an equidigital number, since it uses as much as digits as its factorization.

108148609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 37.

The square root of 108148609 is about 10399.4523413495. The cubic root of 108148609 is about 476.4386433353.

The spelling of 108148609 in words is "one hundred eight million, one hundred forty-eight thousand, six hundred nine".