144311933 has 2 divisors, whose sum is σ = 144311934. Its totient is φ = 144311932.

The previous prime is 144311927. The next prime is 144311941. The reversal of 144311933 is 339113441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 82500889 + 61811044 = 9083^2 + 7862^2 .

It is an emirp because it is prime and its reverse (339113441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 144311933 - 2¹⁴ = 144295549 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 144311896 and 144311905.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144311533) 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, 72155966 + 72155967.

It is an arithmetic number, because the mean of its divisors is an integer number (72155967).

Almost surely, 2^144311933 is an apocalyptic number.

It is an amenable number.

144311933 is a deficient number, since it is larger than the sum of its proper divisors (1).

144311933 is an equidigital number, since it uses as much as digits as its factorization.

144311933 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3888, while the sum is 29.

The square root of 144311933 is about 12012.9901773039. The cubic root of 144311933 is about 524.5264761325.

The spelling of 144311933 in words is "one hundred forty-four million, three hundred eleven thousand, nine hundred thirty-three".