144181841 has 2 divisors, whose sum is σ = 144181842. Its totient is φ = 144181840.

The previous prime is 144181801. The next prime is 144181847. The reversal of 144181841 is 148181441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 105493441 + 38688400 = 10271^2 + 6220^2 .

It is a cyclic number.

It is not a de Polignac number, because 144181841 - 2¹⁸ = 143919697 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 144181798 and 144181807.

It is not a weakly prime, because it can be changed into another prime (144181847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72090920 + 72090921.

It is an arithmetic number, because the mean of its divisors is an integer number (72090921).

Almost surely, 2^144181841 is an apocalyptic number.

It is an amenable number.

144181841 is a deficient number, since it is larger than the sum of its proper divisors (1).

144181841 is an equidigital number, since it uses as much as digits as its factorization.

144181841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4096, while the sum is 32.

The square root of 144181841 is about 12007.5743179045. The cubic root of 144181841 is about 524.3688148509.

The spelling of 144181841 in words is "one hundred forty-four million, one hundred eighty-one thousand, eight hundred forty-one".