144520547 has 2 divisors, whose sum is σ = 144520548. Its totient is φ = 144520546.

The previous prime is 144520511. The next prime is 144520573. The reversal of 144520547 is 745025441.

144520547 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (745025441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 144520547 - 2¹⁴ = 144504163 is a prime.

It is a Chen prime.

It is equal to p_8153195 and since 144520547 and 8153195 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (144520147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72260273 + 72260274.

It is an arithmetic number, because the mean of its divisors is an integer number (72260274).

Almost surely, 2^144520547 is an apocalyptic number.

144520547 is a deficient number, since it is larger than the sum of its proper divisors (1).

144520547 is an equidigital number, since it uses as much as digits as its factorization.

144520547 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22400, while the sum is 32.

The square root of 144520547 is about 12021.6698923236. The cubic root of 144520547 is about 524.7791022311.

Adding to 144520547 its reverse (745025441), we get a palindrome (889545988).

The spelling of 144520547 in words is "one hundred forty-four million, five hundred twenty thousand, five hundred forty-seven".