142000571 has 2 divisors, whose sum is σ = 142000572. Its totient is φ = 142000570.

The previous prime is 142000567. The next prime is 142000591. The reversal of 142000571 is 175000241.

It is an a-pointer prime, because the next prime (142000591) can be obtained adding 142000571 to its sum of digits (20).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 142000571 - 2² = 142000567 is a prime.

It is not a weakly prime, because it can be changed into another prime (142000511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71000285 + 71000286.

It is an arithmetic number, because the mean of its divisors is an integer number (71000286).

Almost surely, 2^142000571 is an apocalyptic number.

142000571 is a deficient number, since it is larger than the sum of its proper divisors (1).

142000571 is an equidigital number, since it uses as much as digits as its factorization.

142000571 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 142000571 is about 11916.3992464167. The cubic root of 142000571 is about 521.7110439145.

The spelling of 142000571 in words is "one hundred forty-two million, five hundred seventy-one", and thus it is an aban number.