144708973 has 2 divisors, whose sum is σ = 144708974. Its totient is φ = 144708972.

The previous prime is 144708943. The next prime is 144708983. The reversal of 144708973 is 379807441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 144048004 + 660969 = 12002^2 + 813^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144708973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144708943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72354486 + 72354487.

It is an arithmetic number, because the mean of its divisors is an integer number (72354487).

Almost surely, 2^144708973 is an apocalyptic number.

It is an amenable number.

144708973 is a deficient number, since it is larger than the sum of its proper divisors (1).

144708973 is an equidigital number, since it uses as much as digits as its factorization.

144708973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 169344, while the sum is 43.

The square root of 144708973 is about 12029.5042707503. The cubic root of 144708973 is about 525.0070723159.

The spelling of 144708973 in words is "one hundred forty-four million, seven hundred eight thousand, nine hundred seventy-three".