144231541 has 2 divisors, whose sum is σ = 144231542. Its totient is φ = 144231540.

The previous prime is 144231533. The next prime is 144231557. The reversal of 144231541 is 145132441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 120670225 + 23561316 = 10985^2 + 4854^2 .

It is a cyclic number.

It is not a de Polignac number, because 144231541 - 2³ = 144231533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144238541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72115770 + 72115771.

It is an arithmetic number, because the mean of its divisors is an integer number (72115771).

Almost surely, 2^144231541 is an apocalyptic number.

It is an amenable number.

144231541 is a deficient number, since it is larger than the sum of its proper divisors (1).

144231541 is an equidigital number, since it uses as much as digits as its factorization.

144231541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1920, while the sum is 25.

The square root of 144231541 is about 12009.6436666539. The cubic root of 144231541 is about 524.4290585358.

Adding to 144231541 its reverse (145132441), we get a palindrome (289363982).

The spelling of 144231541 in words is "one hundred forty-four million, two hundred thirty-one thousand, five hundred forty-one".