102202143 has 4 divisors (see below), whose sum is σ = 136269528. Its totient is φ = 68134760.

The previous prime is 102202129. The next prime is 102202183. The reversal of 102202143 is 341202201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 102202143 - 2⁴ = 102202127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102202123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17033688 + ... + 17033693.

It is an arithmetic number, because the mean of its divisors is an integer number (34067382).

Almost surely, 2^102202143 is an apocalyptic number.

102202143 is a deficient number, since it is larger than the sum of its proper divisors (34067385).

102202143 is an equidigital number, since it uses as much as digits as its factorization.

102202143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34067384.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 102202143 is about 10109.5075547724. The cubic root of 102202143 is about 467.5413222837.

Adding to 102202143 its reverse (341202201), we get a palindrome (443404344).

The spelling of 102202143 in words is "one hundred two million, two hundred two thousand, one hundred forty-three".