144848581 has 2 divisors, whose sum is σ = 144848582. Its totient is φ = 144848580.

The previous prime is 144848537. The next prime is 144848617. The reversal of 144848581 is 185848441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 133056225 + 11792356 = 11535^2 + 3434^2 .

It is a cyclic number.

It is not a de Polignac number, because 144848581 - 2¹³ = 144840389 is a prime.

It is a super-2 number, since 2×144848581² = 41962222835427122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144848681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72424290 + 72424291.

It is an arithmetic number, because the mean of its divisors is an integer number (72424291).

Almost surely, 2^144848581 is an apocalyptic number.

It is an amenable number.

144848581 is a deficient number, since it is larger than the sum of its proper divisors (1).

144848581 is an equidigital number, since it uses as much as digits as its factorization.

144848581 is an evil number, because the sum of its binary digits is even.

The product of its digits is 163840, while the sum is 43.

The square root of 144848581 is about 12035.3056047614. The cubic root of 144848581 is about 525.1758515974.

The spelling of 144848581 in words is "one hundred forty-four million, eight hundred forty-eight thousand, five hundred eighty-one".