102643430 has 8 divisors (see below), whose sum is σ = 184758192. Its totient is φ = 41057368.

The previous prime is 102643427. The next prime is 102643469. The reversal of 102643430 is 34346201.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 102643396 and 102643405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5132162 + ... + 5132181.

It is an arithmetic number, because the mean of its divisors is an integer number (23094774).

Almost surely, 2^102643430 is an apocalyptic number.

102643430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102643430 is a deficient number, since it is larger than the sum of its proper divisors (82114762).

102643430 is a wasteful number, since it uses less digits than its factorization.

102643430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10264350.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 102643430 is about 10131.3093921763. The cubic root of 102643430 is about 468.2132705857.

Adding to 102643430 its reverse (34346201), we get a palindrome (136989631).

The spelling of 102643430 in words is "one hundred two million, six hundred forty-three thousand, four hundred thirty".