144731611 has 2 divisors, whose sum is σ = 144731612. Its totient is φ = 144731610.

The previous prime is 144731563. The next prime is 144731621. The reversal of 144731611 is 116137441.

It is a happy number.

144731611 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 144731611 - 2⁹ = 144731099 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 144731611.

It is not a weakly prime, because it can be changed into another prime (144731621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72365805 + 72365806.

It is an arithmetic number, because the mean of its divisors is an integer number (72365806).

Almost surely, 2^144731611 is an apocalyptic number.

144731611 is a deficient number, since it is larger than the sum of its proper divisors (1).

144731611 is an equidigital number, since it uses as much as digits as its factorization.

144731611 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2016, while the sum is 28.

The square root of 144731611 is about 12030.4451704831. The cubic root of 144731611 is about 525.0344479286.

The spelling of 144731611 in words is "one hundred forty-four million, seven hundred thirty-one thousand, six hundred eleven".