142850399 has 2 divisors, whose sum is σ = 142850400. Its totient is φ = 142850398.

The previous prime is 142850381. The next prime is 142850453. The reversal of 142850399 is 993058241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 142850399 - 2¹² = 142846303 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142850339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71425199 + 71425200.

It is an arithmetic number, because the mean of its divisors is an integer number (71425200).

Almost surely, 2^142850399 is an apocalyptic number.

142850399 is a deficient number, since it is larger than the sum of its proper divisors (1).

142850399 is an equidigital number, since it uses as much as digits as its factorization.

142850399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77760, while the sum is 41.

The square root of 142850399 is about 11952.0039742296. The cubic root of 142850399 is about 522.7497325003.

The spelling of 142850399 in words is "one hundred forty-two million, eight hundred fifty thousand, three hundred ninety-nine".