10142161 has 2 divisors, whose sum is σ = 10142162. Its totient is φ = 10142160.

The previous prime is 10142147. The next prime is 10142189. The reversal of 10142161 is 16124101.

10142161 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8737936 + 1404225 = 2956^2 + 1185^2 .

It is a cyclic number.

It is not a de Polignac number, because 10142161 - 2¹¹ = 10140113 is a prime.

It is not a weakly prime, because it can be changed into another prime (10142131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5071080 + 5071081.

It is an arithmetic number, because the mean of its divisors is an integer number (5071081).

Almost surely, 2^10142161 is an apocalyptic number.

It is an amenable number.

10142161 is a deficient number, since it is larger than the sum of its proper divisors (1).

10142161 is an equidigital number, since it uses as much as digits as its factorization.

10142161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 10142161 is about 3184.6759646784. The cubic root of 10142161 is about 216.4595909769.

Adding to 10142161 its reverse (16124101), we get a palindrome (26266262).

The spelling of 10142161 in words is "ten million, one hundred forty-two thousand, one hundred sixty-one".