142433399 has 2 divisors, whose sum is σ = 142433400. Its totient is φ = 142433398.

The previous prime is 142433381. The next prime is 142433441. The reversal of 142433399 is 993334241.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (993334241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 142433399 - 2¹² = 142429303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142433309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71216699 + 71216700.

It is an arithmetic number, because the mean of its divisors is an integer number (71216700).

Almost surely, 2^142433399 is an apocalyptic number.

142433399 is a deficient number, since it is larger than the sum of its proper divisors (1).

142433399 is an equidigital number, since it uses as much as digits as its factorization.

142433399 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69984, while the sum is 38.

The square root of 142433399 is about 11934.5464513738. The cubic root of 142433399 is about 522.2405772450.

The spelling of 142433399 in words is "one hundred forty-two million, four hundred thirty-three thousand, three hundred ninety-nine".