102003345 has 24 divisors (see below), whose sum is σ = 178799400. Its totient is φ = 53788416.

The previous prime is 102003337. The next prime is 102003397. The reversal of 102003345 is 543300201.

It can be written as a sum of positive squares in 4 ways, for example, as 9381969 + 92621376 = 3063^2 + 9624^2 .

It is not a de Polignac number, because 102003345 - 2³ = 102003337 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8730 + ... + 16739.

It is an arithmetic number, because the mean of its divisors is an integer number (7449975).

Almost surely, 2^102003345 is an apocalyptic number.

102003345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

102003345 is a deficient number, since it is larger than the sum of its proper divisors (76796055).

102003345 is a wasteful number, since it uses less digits than its factorization.

102003345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25569 (or 25566 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 102003345 is about 10099.6705391810. The cubic root of 102003345 is about 467.2379802763.

Adding to 102003345 its reverse (543300201), we get a palindrome (645303546).

The spelling of 102003345 in words is "one hundred two million, three thousand, three hundred forty-five".