142875893 has 2 divisors, whose sum is σ = 142875894. Its totient is φ = 142875892.

The previous prime is 142875829. The next prime is 142875937. The reversal of 142875893 is 398578241.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 85692049 + 57183844 = 9257^2 + 7562^2 .

It is a cyclic number.

It is not a de Polignac number, because 142875893 - 2⁶ = 142875829 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142875823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71437946 + 71437947.

It is an arithmetic number, because the mean of its divisors is an integer number (71437947).

Almost surely, 2^142875893 is an apocalyptic number.

It is an amenable number.

142875893 is a deficient number, since it is larger than the sum of its proper divisors (1).

142875893 is an equidigital number, since it uses as much as digits as its factorization.

142875893 is an evil number, because the sum of its binary digits is even.

The product of its digits is 483840, while the sum is 47.

The square root of 142875893 is about 11953.0704423592. The cubic root of 142875893 is about 522.7808284091.

The spelling of 142875893 in words is "one hundred forty-two million, eight hundred seventy-five thousand, eight hundred ninety-three".