144345191 has 2 divisors, whose sum is σ = 144345192. Its totient is φ = 144345190.

The previous prime is 144345161. The next prime is 144345197. The reversal of 144345191 is 191543441.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 144345191 - 2¹⁸ = 144083047 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 (144345197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72172595 + 72172596.

It is an arithmetic number, because the mean of its divisors is an integer number (72172596).

Almost surely, 2^144345191 is an apocalyptic number.

144345191 is a deficient number, since it is larger than the sum of its proper divisors (1).

144345191 is an equidigital number, since it uses as much as digits as its factorization.

144345191 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8640, while the sum is 32.

The square root of 144345191 is about 12014.3743490870. The cubic root of 144345191 is about 524.5667670062.

The spelling of 144345191 in words is "one hundred forty-four million, three hundred forty-five thousand, one hundred ninety-one".