144246541 has 2 divisors, whose sum is σ = 144246542. Its totient is φ = 144246540.

The previous prime is 144246527. The next prime is 144246587. The reversal of 144246541 is 145642441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 78393316 + 65853225 = 8854^2 + 8115^2 .

It is a cyclic number.

It is not a de Polignac number, because 144246541 - 2²¹ = 142149389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144276541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72123270 + 72123271.

It is an arithmetic number, because the mean of its divisors is an integer number (72123271).

Almost surely, 2^144246541 is an apocalyptic number.

It is an amenable number.

144246541 is a deficient number, since it is larger than the sum of its proper divisors (1).

144246541 is an equidigital number, since it uses as much as digits as its factorization.

144246541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15360, while the sum is 31.

The square root of 144246541 is about 12010.2681485469. The cubic root of 144246541 is about 524.4472380157.

Adding to 144246541 its reverse (145642441), we get a palindrome (289888982).

The spelling of 144246541 in words is "one hundred forty-four million, two hundred forty-six thousand, five hundred forty-one".