108445247 has 2 divisors, whose sum is σ = 108445248. Its totient is φ = 108445246.

The previous prime is 108445243. The next prime is 108445277. The reversal of 108445247 is 742544801.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 108445247 - 2² = 108445243 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (108445243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54222623 + 54222624.

It is an arithmetic number, because the mean of its divisors is an integer number (54222624).

Almost surely, 2^108445247 is an apocalyptic number.

108445247 is a deficient number, since it is larger than the sum of its proper divisors (1).

108445247 is an equidigital number, since it uses as much as digits as its factorization.

108445247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 35840, while the sum is 35.

The square root of 108445247 is about 10413.7047682369. The cubic root of 108445247 is about 476.8738493835.

The spelling of 108445247 in words is "one hundred eight million, four hundred forty-five thousand, two hundred forty-seven".