342148399 has 2 divisors, whose sum is σ = 342148400. Its totient is φ = 342148398.

The previous prime is 342148397. The next prime is 342148421. The reversal of 342148399 is 993841243.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 342148399 - 2¹ = 342148397 is a prime.

Together with 342148397, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (342148393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171074199 + 171074200.

It is an arithmetic number, because the mean of its divisors is an integer number (171074200).

Almost surely, 2^342148399 is an apocalyptic number.

342148399 is a deficient number, since it is larger than the sum of its proper divisors (1).

342148399 is an equidigital number, since it uses as much as digits as its factorization.

342148399 is an evil number, because the sum of its binary digits is even.

The product of its digits is 186624, while the sum is 43.

The square root of 342148399 is about 18497.2538232031. The cubic root of 342148399 is about 699.4201994835.

The spelling of 342148399 in words is "three hundred forty-two million, one hundred forty-eight thousand, three hundred ninety-nine".