144121577 has 2 divisors, whose sum is σ = 144121578. Its totient is φ = 144121576.

The previous prime is 144121553. The next prime is 144121613. The reversal of 144121577 is 775121441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113827561 + 30294016 = 10669^2 + 5504^2 .

It is a cyclic number.

It is not a de Polignac number, because 144121577 - 2⁶ = 144121513 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (144121547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72060788 + 72060789.

It is an arithmetic number, because the mean of its divisors is an integer number (72060789).

Almost surely, 2^144121577 is an apocalyptic number.

It is an amenable number.

144121577 is a deficient number, since it is larger than the sum of its proper divisors (1).

144121577 is an equidigital number, since it uses as much as digits as its factorization.

144121577 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7840, while the sum is 32.

The square root of 144121577 is about 12005.0646395594. The cubic root of 144121577 is about 524.2957474757.

The spelling of 144121577 in words is "one hundred forty-four million, one hundred twenty-one thousand, five hundred seventy-seven".