146265191 has 2 divisors, whose sum is σ = 146265192. Its totient is φ = 146265190.

The previous prime is 146265179. The next prime is 146265239. The reversal of 146265191 is 191562641.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 146265191 - 2²⁶ = 79156327 is a prime.

It is a Sophie Germain 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 (146265101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73132595 + 73132596.

It is an arithmetic number, because the mean of its divisors is an integer number (73132596).

Almost surely, 2^146265191 is an apocalyptic number.

146265191 is a deficient number, since it is larger than the sum of its proper divisors (1).

146265191 is an equidigital number, since it uses as much as digits as its factorization.

146265191 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12960, while the sum is 35.

The square root of 146265191 is about 12094.0146766903. The cubic root of 146265191 is about 526.8823626904.

The spelling of 146265191 in words is "one hundred forty-six million, two hundred sixty-five thousand, one hundred ninety-one".