102644173 has 2 divisors, whose sum is σ = 102644174. Its totient is φ = 102644172.

The previous prime is 102644167. The next prime is 102644177. The reversal of 102644173 is 371446201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 92891044 + 9753129 = 9638^2 + 3123^2 .

It is a cyclic number.

It is not a de Polignac number, because 102644173 - 2¹⁷ = 102513101 is a prime.

It is equal to p_5905027 and since 102644173 and 5905027 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102644177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51322086 + 51322087.

It is an arithmetic number, because the mean of its divisors is an integer number (51322087).

Almost surely, 2^102644173 is an apocalyptic number.

It is an amenable number.

102644173 is a deficient number, since it is larger than the sum of its proper divisors (1).

102644173 is an equidigital number, since it uses as much as digits as its factorization.

102644173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 102644173 is about 10131.3460606180. The cubic root of 102644173 is about 468.2144003272.

The spelling of 102644173 in words is "one hundred two million, six hundred forty-four thousand, one hundred seventy-three".