142573771 has 2 divisors, whose sum is σ = 142573772. Its totient is φ = 142573770.

The previous prime is 142573759. The next prime is 142573807. The reversal of 142573771 is 177375241.

It is a happy number.

142573771 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 is a cyclic number.

It is not a de Polignac number, because 142573771 - 2⁹ = 142573259 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 142573771.

It is not a weakly prime, because it can be changed into another prime (142573471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71286885 + 71286886.

It is an arithmetic number, because the mean of its divisors is an integer number (71286886).

Almost surely, 2^142573771 is an apocalyptic number.

142573771 is a deficient number, since it is larger than the sum of its proper divisors (1).

142573771 is an equidigital number, since it uses as much as digits as its factorization.

142573771 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41160, while the sum is 37.

The square root of 142573771 is about 11940.4259136766. The cubic root of 142573771 is about 522.4120816947.

The spelling of 142573771 in words is "one hundred forty-two million, five hundred seventy-three thousand, seven hundred seventy-one".