144013081 has 2 divisors, whose sum is σ = 144013082. Its totient is φ = 144013080.

The previous prime is 144013049. The next prime is 144013151. The reversal of 144013081 is 180310441.

144013081 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 can be written as a sum of positive squares in only one way, i.e., 115025625 + 28987456 = 10725^2 + 5384^2 .

It is a cyclic number.

It is not a de Polignac number, because 144013081 - 2⁵ = 144013049 is a prime.

It is a super-2 number, since 2×144013081² = 41479534998225122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (144011081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72006540 + 72006541.

It is an arithmetic number, because the mean of its divisors is an integer number (72006541).

Almost surely, 2^144013081 is an apocalyptic number.

It is an amenable number.

144013081 is a deficient number, since it is larger than the sum of its proper divisors (1).

144013081 is an equidigital number, since it uses as much as digits as its factorization.

144013081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 144013081 is about 12000.5450292893. The cubic root of 144013081 is about 524.1641496196.

The spelling of 144013081 in words is "one hundred forty-four million, thirteen thousand, eighty-one".