146000191 has 2 divisors, whose sum is σ = 146000192. Its totient is φ = 146000190.

The previous prime is 146000177. The next prime is 146000227. The reversal of 146000191 is 191000641.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-146000191 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 (146000291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73000095 + 73000096.

It is an arithmetic number, because the mean of its divisors is an integer number (73000096).

Almost surely, 2^146000191 is an apocalyptic number.

146000191 is a deficient number, since it is larger than the sum of its proper divisors (1).

146000191 is an equidigital number, since it uses as much as digits as its factorization.

146000191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 146000191 is about 12083.0538772282. The cubic root of 146000191 is about 526.5639724373.

The spelling of 146000191 in words is "one hundred forty-six million, one hundred ninety-one", and thus it is an aban number.