142330399 has 2 divisors, whose sum is σ = 142330400. Its totient is φ = 142330398.

The previous prime is 142330381. The next prime is 142330411. The reversal of 142330399 is 993033241.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142330399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142330319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71165199 + 71165200.

It is an arithmetic number, because the mean of its divisors is an integer number (71165200).

Almost surely, 2^142330399 is an apocalyptic number.

142330399 is a deficient number, since it is larger than the sum of its proper divisors (1).

142330399 is an equidigital number, since it uses as much as digits as its factorization.

142330399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17496, while the sum is 34.

The square root of 142330399 is about 11930.2304671787. The cubic root of 142330399 is about 522.1146616680.

The spelling of 142330399 in words is "one hundred forty-two million, three hundred thirty thousand, three hundred ninety-nine".