142891283 has 2 divisors, whose sum is σ = 142891284. Its totient is φ = 142891282.

The previous prime is 142891247. The next prime is 142891289. The reversal of 142891283 is 382198241.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 142891283 - 2¹⁰ = 142890259 is a prime.

It is a Chen prime.

It is equal to p_8066279 and since 142891283 and 8066279 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (142891289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71445641 + 71445642.

It is an arithmetic number, because the mean of its divisors is an integer number (71445642).

Almost surely, 2^142891283 is an apocalyptic number.

142891283 is a deficient number, since it is larger than the sum of its proper divisors (1).

142891283 is an equidigital number, since it uses as much as digits as its factorization.

142891283 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27648, while the sum is 38.

The square root of 142891283 is about 11953.7141926683. The cubic root of 142891283 is about 522.7995983311.

The spelling of 142891283 in words is "one hundred forty-two million, eight hundred ninety-one thousand, two hundred eighty-three".