142733417 has 2 divisors, whose sum is σ = 142733418. Its totient is φ = 142733416.

The previous prime is 142733333. The next prime is 142733471. The reversal of 142733417 is 714337241.

Together with next prime (142733471) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 76457536 + 66275881 = 8744^2 + 8141^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142733417 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (142733497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71366708 + 71366709.

It is an arithmetic number, because the mean of its divisors is an integer number (71366709).

Almost surely, 2^142733417 is an apocalyptic number.

It is an amenable number.

142733417 is a deficient number, since it is larger than the sum of its proper divisors (1).

142733417 is an equidigital number, since it uses as much as digits as its factorization.

142733417 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14112, while the sum is 32.

The square root of 142733417 is about 11947.1091482417. The cubic root of 142733417 is about 522.6069980731.

The spelling of 142733417 in words is "one hundred forty-two million, seven hundred thirty-three thousand, four hundred seventeen".