102559143 has 16 divisors (see below), whose sum is σ = 138897920. Its totient is φ = 67302144.

The previous prime is 102559141. The next prime is 102559157. The reversal of 102559143 is 341955201.

It is not a de Polignac number, because 102559143 - 2¹ = 102559141 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102559143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102559141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 152055 + ... + 152727.

It is an arithmetic number, because the mean of its divisors is an integer number (8681120).

Almost surely, 2^102559143 is an apocalyptic number.

102559143 is a deficient number, since it is larger than the sum of its proper divisors (36338777).

102559143 is an equidigital number, since it uses as much as digits as its factorization.

102559143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1398.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 102559143 is about 10127.1488090183. The cubic root of 102559143 is about 468.0850756651.

The spelling of 102559143 in words is "one hundred two million, five hundred fifty-nine thousand, one hundred forty-three".