144304073 has 2 divisors, whose sum is σ = 144304074. Its totient is φ = 144304072.

The previous prime is 144304037. The next prime is 144304079. The reversal of 144304073 is 370403441.

Together with previous prime (144304037) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 130256569 + 14047504 = 11413^2 + 3748^2 .

It is an emirp because it is prime and its reverse (370403441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 144304073 - 2⁶ = 144304009 is a prime.

It is not a weakly prime, because it can be changed into another prime (144304079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72152036 + 72152037.

It is an arithmetic number, because the mean of its divisors is an integer number (72152037).

Almost surely, 2^144304073 is an apocalyptic number.

It is an amenable number.

144304073 is a deficient number, since it is larger than the sum of its proper divisors (1).

144304073 is an equidigital number, since it uses as much as digits as its factorization.

144304073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 144304073 is about 12012.6630269895. The cubic root of 144304073 is about 524.5169531201.

The spelling of 144304073 in words is "one hundred forty-four million, three hundred four thousand, seventy-three".