146199329 has 2 divisors, whose sum is σ = 146199330. Its totient is φ = 146199328.

The previous prime is 146199259. The next prime is 146199331. The reversal of 146199329 is 923991641.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 143041600 + 3157729 = 11960^2 + 1777^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-146199329 is a prime.

Together with 146199331, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 146199329.

It is not a weakly prime, because it can be changed into another prime (146199929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73099664 + 73099665.

It is an arithmetic number, because the mean of its divisors is an integer number (73099665).

Almost surely, 2^146199329 is an apocalyptic number.

It is an amenable number.

146199329 is a deficient number, since it is larger than the sum of its proper divisors (1).

146199329 is an equidigital number, since it uses as much as digits as its factorization.

146199329 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 104976, while the sum is 44.

The square root of 146199329 is about 12091.2914529425. The cubic root of 146199329 is about 526.8032672340.

The spelling of 146199329 in words is "one hundred forty-six million, one hundred ninety-nine thousand, three hundred twenty-nine".