144261641 has 2 divisors, whose sum is σ = 144261642. Its totient is φ = 144261640.

The previous prime is 144261619. The next prime is 144261671. The reversal of 144261641 is 146162441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 75620416 + 68641225 = 8696^2 + 8285^2 .

It is a cyclic number.

It is not a de Polignac number, because 144261641 - 2⁶ = 144261577 is a prime.

It is a super-2 number, since 2×144261641² = 41622842128025762, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (144261671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72130820 + 72130821.

It is an arithmetic number, because the mean of its divisors is an integer number (72130821).

Almost surely, 2^144261641 is an apocalyptic number.

It is an amenable number.

144261641 is a deficient number, since it is larger than the sum of its proper divisors (1).

144261641 is an equidigital number, since it uses as much as digits as its factorization.

144261641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4608, while the sum is 29.

The square root of 144261641 is about 12010.8967608584. The cubic root of 144261641 is about 524.4655374192.

The spelling of 144261641 in words is "one hundred forty-four million, two hundred sixty-one thousand, six hundred forty-one".