102443204 has 6 divisors (see below), whose sum is σ = 179275614. Its totient is φ = 51221600.

The previous prime is 102443197. The next prime is 102443213. The reversal of 102443204 is 402344201.

It can be written as a sum of positive squares in only one way, i.e., 97812100 + 4631104 = 9890^2 + 2152^2 .

It is a super-2 number, since 2×102443204² = 20989220091571232, which contains 22 as substring.

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 as a sum of consecutive naturals, namely, 12805397 + ... + 12805404.

It is an arithmetic number, because the mean of its divisors is an integer number (29879269).

Almost surely, 2^102443204 is an apocalyptic number.

It is an amenable number.

102443204 is a deficient number, since it is larger than the sum of its proper divisors (76832410).

102443204 is a wasteful number, since it uses less digits than its factorization.

102443204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25610805 (or 25610803 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 102443204 is about 10121.4230224806. The cubic root of 102443204 is about 467.9086253536.

Adding to 102443204 its reverse (402344201), we get a palindrome (504787405).

The spelling of 102443204 in words is "one hundred two million, four hundred forty-three thousand, two hundred four".