144463691 has 2 divisors, whose sum is σ = 144463692. Its totient is φ = 144463690.

The previous prime is 144463687. The next prime is 144463721. The reversal of 144463691 is 196364441.

144463691 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 144463691 - 2² = 144463687 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (144463661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72231845 + 72231846.

It is an arithmetic number, because the mean of its divisors is an integer number (72231846).

Almost surely, 2^144463691 is an apocalyptic number.

144463691 is a deficient number, since it is larger than the sum of its proper divisors (1).

144463691 is an equidigital number, since it uses as much as digits as its factorization.

144463691 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62208, while the sum is 38.

The square root of 144463691 is about 12019.3049299866. The cubic root of 144463691 is about 524.7102752146.

The spelling of 144463691 in words is "one hundred forty-four million, four hundred sixty-three thousand, six hundred ninety-one".