142594213 has 2 divisors, whose sum is σ = 142594214. Its totient is φ = 142594212.

The previous prime is 142594211. The next prime is 142594217. The reversal of 142594213 is 312495241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 109035364 + 33558849 = 10442^2 + 5793^2 .

It is a cyclic number.

It is not a de Polignac number, because 142594213 - 2¹ = 142594211 is a prime.

Together with 142594211, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142594211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71297106 + 71297107.

It is an arithmetic number, because the mean of its divisors is an integer number (71297107).

Almost surely, 2^142594213 is an apocalyptic number.

It is an amenable number.

142594213 is a deficient number, since it is larger than the sum of its proper divisors (1).

142594213 is an equidigital number, since it uses as much as digits as its factorization.

142594213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8640, while the sum is 31.

The square root of 142594213 is about 11941.2818826121. The cubic root of 142594213 is about 522.4370480387.

The spelling of 142594213 in words is "one hundred forty-two million, five hundred ninety-four thousand, two hundred thirteen".