144556393297 has 2 divisors, whose sum is σ = 144556393298. Its totient is φ = 144556393296.

The previous prime is 144556393273. The next prime is 144556393309. The reversal of 144556393297 is 792393655441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 83784775936 + 60771617361 = 289456^2 + 246519^2 .

It is a cyclic number.

It is not a de Polignac number, because 144556393297 - 2¹¹ = 144556391249 is a prime.

It is not a weakly prime, because it can be changed into another prime (144551393297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72278196648 + 72278196649.

It is an arithmetic number, because the mean of its divisors is an integer number (72278196649).

Almost surely, 2^144556393297 is an apocalyptic number.

It is an amenable number.

144556393297 is a deficient number, since it is larger than the sum of its proper divisors (1).

144556393297 is an equidigital number, since it uses as much as digits as its factorization.

144556393297 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24494400, while the sum is 58.

The spelling of 144556393297 in words is "one hundred forty-four billion, five hundred fifty-six million, three hundred ninety-three thousand, two hundred ninety-seven".