102143338 has 16 divisors (see below), whose sum is σ = 167370336. Its totient is φ = 46365840.

The previous prime is 102143329. The next prime is 102143381. The reversal of 102143338 is 833341201.

It is a super-2 number, since 2×102143338² = 20866522995564488, which contains 22 as substring.

It is an unprimeable number.

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, 16045 + ... + 21487.

It is an arithmetic number, because the mean of its divisors is an integer number (10460646).

Almost surely, 2^102143338 is an apocalyptic number.

102143338 is a deficient number, since it is larger than the sum of its proper divisors (65226998).

102143338 is a wasteful number, since it uses less digits than its factorization.

102143338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6309.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 102143338 is about 10106.5987354797. The cubic root of 102143338 is about 467.4516338765.

Adding to 102143338 its reverse (833341201), we get a palindrome (935484539).

The spelling of 102143338 in words is "one hundred two million, one hundred forty-three thousand, three hundred thirty-eight".