144000691 has 2 divisors, whose sum is σ = 144000692. Its totient is φ = 144000690.

The previous prime is 144000683. The next prime is 144000713. The reversal of 144000691 is 196000441.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 144000691 - 2³ = 144000683 is a prime.

It is not a weakly prime, because it can be changed into another prime (144000641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72000345 + 72000346.

It is an arithmetic number, because the mean of its divisors is an integer number (72000346).

Almost surely, 2^144000691 is an apocalyptic number.

144000691 is a deficient number, since it is larger than the sum of its proper divisors (1).

144000691 is an equidigital number, since it uses as much as digits as its factorization.

144000691 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 144000691 is about 12000.0287916321. The cubic root of 144000691 is about 524.1491172350.

The spelling of 144000691 in words is "one hundred forty-four million, six hundred ninety-one", and thus it is an aban number.