142783369 has 2 divisors, whose sum is σ = 142783370. Its totient is φ = 142783368.

The previous prime is 142783367. The next prime is 142783409. The reversal of 142783369 is 963387241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 135955600 + 6827769 = 11660^2 + 2613^2 .

It is a cyclic number.

It is not a de Polignac number, because 142783369 - 2¹ = 142783367 is a prime.

It is a super-2 number, since 2×142783369² = 40774180925980322, which contains 22 as substring.

Together with 142783367, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (142783367) 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, 71391684 + 71391685.

It is an arithmetic number, because the mean of its divisors is an integer number (71391685).

Almost surely, 2^142783369 is an apocalyptic number.

It is an amenable number.

142783369 is a deficient number, since it is larger than the sum of its proper divisors (1).

142783369 is an equidigital number, since it uses as much as digits as its factorization.

142783369 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 217728, while the sum is 43.

The square root of 142783369 is about 11949.1995129381. The cubic root of 142783369 is about 522.6679560478.

The spelling of 142783369 in words is "one hundred forty-two million, seven hundred eighty-three thousand, three hundred sixty-nine".