144261443 has 2 divisors, whose sum is σ = 144261444. Its totient is φ = 144261442.

The previous prime is 144261427. The next prime is 144261479. The reversal of 144261443 is 344162441.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 144261443 - 2⁴ = 144261427 is a prime.

It is a super-2 number, since 2×144261443² = 41622727872884498, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (144261043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72130721 + 72130722.

It is an arithmetic number, because the mean of its divisors is an integer number (72130722).

Almost surely, 2^144261443 is an apocalyptic number.

144261443 is a deficient number, since it is larger than the sum of its proper divisors (1).

144261443 is an equidigital number, since it uses as much as digits as its factorization.

144261443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9216, while the sum is 29.

The square root of 144261443 is about 12010.8885183403. Note that the first 3 decimals coincide. The cubic root of 144261443 is about 524.4652974750.

The spelling of 144261443 in words is "one hundred forty-four million, two hundred sixty-one thousand, four hundred forty-three".