102052143 has 10 divisors (see below), whose sum is σ = 152448384. Its totient is φ = 68034708.

The previous prime is 102052133. The next prime is 102052147. The reversal of 102052143 is 341250201.

102052143 is a `hidden beast` number, since 102 + 0 + 521 + 43 = 666.

It is not a de Polignac number, because 102052143 - 2⁶ = 102052079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102052147) 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 9 ways as a sum of consecutive naturals, for example, 629871 + ... + 630032.

Almost surely, 2^102052143 is an apocalyptic number.

102052143 is a deficient number, since it is larger than the sum of its proper divisors (50396241).

102052143 is an equidigital number, since it uses as much as digits as its factorization.

102052143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1259915 (or 1259906 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 102052143 is about 10102.0860716983. The cubic root of 102052143 is about 467.3124766701.

The spelling of 102052143 in words is "one hundred two million, fifty-two thousand, one hundred forty-three".