146191 has 2 divisors, whose sum is σ = 146192. Its totient is φ = 146190.

The previous prime is 146173. The next prime is 146197. The reversal of 146191 is 191641.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 146191 - 2⁷ = 146063 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 (146197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73095 + 73096.

It is an arithmetic number, because the mean of its divisors is an integer number (73096).

2¹⁴⁶¹⁹¹ is an apocalyptic number.

146191 is a deficient number, since it is larger than the sum of its proper divisors (1).

146191 is an equidigital number, since it uses as much as digits as its factorization.

146191 is an evil number, because the sum of its binary digits is even.

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

The square root of 146191 is about 382.3493167249. The cubic root of 146191 is about 52.6793263021.

The spelling of 146191 in words is "one hundred forty-six thousand, one hundred ninety-one".