102455473 has 2 divisors, whose sum is σ = 102455474. Its totient is φ = 102455472.

The previous prime is 102455471. The next prime is 102455477. The reversal of 102455473 is 374554201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61277584 + 41177889 = 7828^2 + 6417^2 .

It is a cyclic number.

It is not a de Polignac number, because 102455473 - 2¹ = 102455471 is a prime.

Together with 102455471, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (102455471) 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, 51227736 + 51227737.

It is an arithmetic number, because the mean of its divisors is an integer number (51227737).

Almost surely, 2^102455473 is an apocalyptic number.

It is an amenable number.

102455473 is a deficient number, since it is larger than the sum of its proper divisors (1).

102455473 is an equidigital number, since it uses as much as digits as its factorization.

102455473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 102455473 is about 10122.0290949987. The cubic root of 102455473 is about 467.9273041321.

The spelling of 102455473 in words is "one hundred two million, four hundred fifty-five thousand, four hundred seventy-three".