143015161 has 2 divisors, whose sum is σ = 143015162. Its totient is φ = 143015160.

The previous prime is 143015149. The next prime is 143015207. The reversal of 143015161 is 161510341.

143015161 is digitally balanced in base 2, 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., 133749225 + 9265936 = 11565^2 + 3044^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-143015161 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (143015111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71507580 + 71507581.

It is an arithmetic number, because the mean of its divisors is an integer number (71507581).

Almost surely, 2^143015161 is an apocalyptic number.

It is an amenable number.

143015161 is a deficient number, since it is larger than the sum of its proper divisors (1).

143015161 is an equidigital number, since it uses as much as digits as its factorization.

143015161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 143015161 is about 11958.8946395559. The cubic root of 143015161 is about 522.9506331155.

The spelling of 143015161 in words is "one hundred forty-three million, fifteen thousand, one hundred sixty-one".