144528473 has 2 divisors, whose sum is σ = 144528474. Its totient is φ = 144528472.

The previous prime is 144528463. The next prime is 144528491. The reversal of 144528473 is 374825441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 115713049 + 28815424 = 10757^2 + 5368^2 .

It is a cyclic number.

It is not a de Polignac number, because 144528473 - 2⁶ = 144528409 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (144528443) 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, 72264236 + 72264237.

It is an arithmetic number, because the mean of its divisors is an integer number (72264237).

Almost surely, 2^144528473 is an apocalyptic number.

It is an amenable number.

144528473 is a deficient number, since it is larger than the sum of its proper divisors (1).

144528473 is an equidigital number, since it uses as much as digits as its factorization.

144528473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 107520, while the sum is 38.

The square root of 144528473 is about 12021.9995425054. Note that the first 3 decimals coincide. The cubic root of 144528473 is about 524.7886956147.

The spelling of 144528473 in words is "one hundred forty-four million, five hundred twenty-eight thousand, four hundred seventy-three".