102669143 has 2 divisors, whose sum is σ = 102669144. Its totient is φ = 102669142.

The previous prime is 102669113. The next prime is 102669157. The reversal of 102669143 is 341966201.

It is a strong prime.

It is an emirp because it is prime and its reverse (341966201) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102669143 is a prime.

It is a super-4 number, since 4×102669143⁴ (a number of 33 digits) contains 4444 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102669113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51334571 + 51334572.

It is an arithmetic number, because the mean of its divisors is an integer number (51334572).

Almost surely, 2^102669143 is an apocalyptic number.

102669143 is a deficient number, since it is larger than the sum of its proper divisors (1).

102669143 is an equidigital number, since it uses as much as digits as its factorization.

102669143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 102669143 is about 10132.5782997221. The cubic root of 102669143 is about 468.2523643776.

The spelling of 102669143 in words is "one hundred two million, six hundred sixty-nine thousand, one hundred forty-three".