142764443 has 2 divisors, whose sum is σ = 142764444. Its totient is φ = 142764442.

The previous prime is 142764439. The next prime is 142764449. The reversal of 142764443 is 344467241.

It is a weak prime.

It is an emirp because it is prime and its reverse (344467241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 142764443 - 2² = 142764439 is a prime.

It is not a weakly prime, because it can be changed into another prime (142764449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71382221 + 71382222.

It is an arithmetic number, because the mean of its divisors is an integer number (71382222).

Almost surely, 2^142764443 is an apocalyptic number.

142764443 is a deficient number, since it is larger than the sum of its proper divisors (1).

142764443 is an equidigital number, since it uses as much as digits as its factorization.

142764443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64512, while the sum is 35.

The square root of 142764443 is about 11948.4075507994. The cubic root of 142764443 is about 522.6448617362.

The spelling of 142764443 in words is "one hundred forty-two million, seven hundred sixty-four thousand, four hundred forty-three".