85152143 has 2 divisors, whose sum is σ = 85152144. Its totient is φ = 85152142.

The previous prime is 85152127. The next prime is 85152209. The reversal of 85152143 is 34125158.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85152143 - 2⁴ = 85152127 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85152343) 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 as a sum of consecutive naturals, namely, 42576071 + 42576072.

It is an arithmetic number, because the mean of its divisors is an integer number (42576072).

Almost surely, 2^85152143 is an apocalyptic number.

85152143 is a deficient number, since it is larger than the sum of its proper divisors (1).

85152143 is an equidigital number, since it uses as much as digits as its factorization.

85152143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4800, while the sum is 29.

The square root of 85152143 is about 9227.7918810515. The cubic root of 85152143 is about 439.9451429544.

It can be divided in two parts, 851521 and 43, that multiplied together give a triangular number (36615403 = T₈₅₅₇).

The spelling of 85152143 in words is "eighty-five million, one hundred fifty-two thousand, one hundred forty-three".