108845549 has 2 divisors, whose sum is σ = 108845550. Its totient is φ = 108845548.

The previous prime is 108845531. The next prime is 108845551. The reversal of 108845549 is 945548801.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82937449 + 25908100 = 9107^2 + 5090^2 .

It is a cyclic number.

It is not a de Polignac number, because 108845549 - 2⁸ = 108845293 is a prime.

It is a super-2 number, since 2×108845549² = 23694707074222802, which contains 22 as substring.

Together with 108845551, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (108845519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54422774 + 54422775.

It is an arithmetic number, because the mean of its divisors is an integer number (54422775).

Almost surely, 2^108845549 is an apocalyptic number.

It is an amenable number.

108845549 is a deficient number, since it is larger than the sum of its proper divisors (1).

108845549 is an equidigital number, since it uses as much as digits as its factorization.

108845549 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 230400, while the sum is 44.

The square root of 108845549 is about 10432.9070253693. The cubic root of 108845549 is about 477.4598875326.

The spelling of 108845549 in words is "one hundred eight million, eight hundred forty-five thousand, five hundred forty-nine".