144927073 has 2 divisors, whose sum is σ = 144927074. Its totient is φ = 144927072.

The previous prime is 144927067. The next prime is 144927137. The reversal of 144927073 is 370729441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 144552529 + 374544 = 12023^2 + 612^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144927073 is a prime.

It is not a weakly prime, because it can be changed into another prime (144927173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72463536 + 72463537.

It is an arithmetic number, because the mean of its divisors is an integer number (72463537).

Almost surely, 2^144927073 is an apocalyptic number.

It is an amenable number.

144927073 is a deficient number, since it is larger than the sum of its proper divisors (1).

144927073 is an equidigital number, since it uses as much as digits as its factorization.

144927073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 144927073 is about 12038.5660690964. The cubic root of 144927073 is about 525.2706969846.

The spelling of 144927073 in words is "one hundred forty-four million, nine hundred twenty-seven thousand, seventy-three".