144520643 has 2 divisors, whose sum is σ = 144520644. Its totient is φ = 144520642.

The previous prime is 144520637. The next prime is 144520657. The reversal of 144520643 is 346025441.

144520643 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 144520643 - 2¹⁰ = 144519619 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (144520843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72260321 + 72260322.

It is an arithmetic number, because the mean of its divisors is an integer number (72260322).

Almost surely, 2^144520643 is an apocalyptic number.

144520643 is a deficient number, since it is larger than the sum of its proper divisors (1).

144520643 is an equidigital number, since it uses as much as digits as its factorization.

144520643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 144520643 is about 12021.6738851127. The cubic root of 144520643 is about 524.7792184286.

The spelling of 144520643 in words is "one hundred forty-four million, five hundred twenty thousand, six hundred forty-three".