144481061 has 2 divisors, whose sum is σ = 144481062. Its totient is φ = 144481060.

The previous prime is 144481037. The next prime is 144481063. The reversal of 144481061 is 160184441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 134908225 + 9572836 = 11615^2 + 3094^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144481061 is a prime.

Together with 144481063, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144481063) 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, 72240530 + 72240531.

It is an arithmetic number, because the mean of its divisors is an integer number (72240531).

Almost surely, 2^144481061 is an apocalyptic number.

It is an amenable number.

144481061 is a deficient number, since it is larger than the sum of its proper divisors (1).

144481061 is an equidigital number, since it uses as much as digits as its factorization.

144481061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 144481061 is about 12020.0274958088. The cubic root of 144481061 is about 524.7313043793.

The spelling of 144481061 in words is "one hundred forty-four million, four hundred eighty-one thousand, sixty-one".