142283249 has 2 divisors, whose sum is σ = 142283250. Its totient is φ = 142283248.

The previous prime is 142283237. The next prime is 142283257. The reversal of 142283249 is 942382241.

142283249 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 80425024 + 61858225 = 8968^2 + 7865^2 .

It is a cyclic number.

It is not a de Polignac number, because 142283249 - 2⁴ = 142283233 is a prime.

It is not a weakly prime, because it can be changed into another prime (142283849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71141624 + 71141625.

It is an arithmetic number, because the mean of its divisors is an integer number (71141625).

Almost surely, 2^142283249 is an apocalyptic number.

It is an amenable number.

142283249 is a deficient number, since it is larger than the sum of its proper divisors (1).

142283249 is an equidigital number, since it uses as much as digits as its factorization.

142283249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27648, while the sum is 35.

The square root of 142283249 is about 11928.2542310264. The cubic root of 142283249 is about 522.0570014039.

The spelling of 142283249 in words is "one hundred forty-two million, two hundred eighty-three thousand, two hundred forty-nine".