144440042191 has 2 divisors, whose sum is σ = 144440042192. Its totient is φ = 144440042190.

The previous prime is 144440042179. The next prime is 144440042239. The reversal of 144440042191 is 191240044441.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 144440042191 - 2¹³ = 144440033999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144440042141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72220021095 + 72220021096.

It is an arithmetic number, because the mean of its divisors is an integer number (72220021096).

Almost surely, 2^144440042191 is an apocalyptic number.

144440042191 is a deficient number, since it is larger than the sum of its proper divisors (1).

144440042191 is an equidigital number, since it uses as much as digits as its factorization.

144440042191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18432, while the sum is 34.

The spelling of 144440042191 in words is "one hundred forty-four billion, four hundred forty million, forty-two thousand, one hundred ninety-one".