102040443 has 48 divisors (see below), whose sum is σ = 164975616. Its totient is φ = 60445440.

The previous prime is 102040403. The next prime is 102040447. The reversal of 102040443 is 344040201.

It is not a de Polignac number, because 102040443 - 2⁸ = 102040187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102040447) 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 47 ways as a sum of consecutive naturals, for example, 376398 + ... + 376668.

It is an arithmetic number, because the mean of its divisors is an integer number (3436992).

Almost surely, 2^102040443 is an apocalyptic number.

102040443 is a deficient number, since it is larger than the sum of its proper divisors (62935173).

102040443 is a wasteful number, since it uses less digits than its factorization.

102040443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424 (or 421 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 102040443 is about 10101.5069667847. The cubic root of 102040443 is about 467.2946172870.

Adding to 102040443 its reverse (344040201), we get a palindrome (446080644).

The spelling of 102040443 in words is "one hundred two million, forty thousand, four hundred forty-three".