102445873 has 8 divisors (see below), whose sum is σ = 104668200. Its totient is φ = 100234368.

The previous prime is 102445787. The next prime is 102445883. The reversal of 102445873 is 378544201.

It can be written as a sum of positive squares in 4 ways, for example, as 4376464 + 98069409 = 2092^2 + 9903^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102445873 - 2⁹ = 102445361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102445883) 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 7 ways as a sum of consecutive naturals, for example, 18133 + ... + 23101.

It is an arithmetic number, because the mean of its divisors is an integer number (13083525).

Almost surely, 2^102445873 is an apocalyptic number.

It is an amenable number.

102445873 is a deficient number, since it is larger than the sum of its proper divisors (2222327).

102445873 is an equidigital number, since it uses as much as digits as its factorization.

102445873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5411.

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 102445873 is about 10121.5548706708. The cubic root of 102445873 is about 467.9126888646.

The spelling of 102445873 in words is "one hundred two million, four hundred forty-five thousand, eight hundred seventy-three".