102359449 has 4 divisors (see below), whose sum is σ = 102436020. Its totient is φ = 102282880.

The previous prime is 102359401. The next prime is 102359497. The reversal of 102359449 is 944953201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 944953201 = 19 ⋅49734379.

It is an interprime number because it is at equal distance from previous prime (102359401) and next prime (102359497).

It can be written as a sum of positive squares in 2 ways, for example, as 59783824 + 42575625 = 7732^2 + 6525^2 .

It is a cyclic number.

It is not a de Polignac number, because 102359449 - 2⁷ = 102359321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102359149) 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 in 3 ways as a sum of consecutive naturals, for example, 36244 + ... + 38965.

It is an arithmetic number, because the mean of its divisors is an integer number (25609005).

Almost surely, 2^102359449 is an apocalyptic number.

It is an amenable number.

102359449 is a deficient number, since it is larger than the sum of its proper divisors (76571).

102359449 is an equidigital number, since it uses as much as digits as its factorization.

102359449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76570.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 102359449 is about 10117.2846653635. The cubic root of 102359449 is about 467.7810737919.

The spelling of 102359449 in words is "one hundred two million, three hundred fifty-nine thousand, four hundred forty-nine".