108662149 has 2 divisors, whose sum is σ = 108662150. Its totient is φ = 108662148.

The previous prime is 108662131. The next prime is 108662153. The reversal of 108662149 is 941266801.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61121124 + 47541025 = 7818^2 + 6895^2 .

It is a cyclic number.

It is not a de Polignac number, because 108662149 - 2⁵ = 108662117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (108669149) 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, 54331074 + 54331075.

It is an arithmetic number, because the mean of its divisors is an integer number (54331075).

Almost surely, 2^108662149 is an apocalyptic number.

It is an amenable number.

108662149 is a deficient number, since it is larger than the sum of its proper divisors (1).

108662149 is an equidigital number, since it uses as much as digits as its factorization.

108662149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 108662149 is about 10424.1138232466. The cubic root of 108662149 is about 477.1915704172.

It can be divided in two parts, 108662 and 149, that added together give a triangular number (108811 = T₄₆₆).

The spelling of 108662149 in words is "one hundred eight million, six hundred sixty-two thousand, one hundred forty-nine".