144454725197 has 2 divisors, whose sum is σ = 144454725198. Its totient is φ = 144454725196.

The previous prime is 144454725179. The next prime is 144454725199. The reversal of 144454725197 is 791527454441.

Together with previous prime (144454725179) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 123361810441 + 21092914756 = 351229^2 + 145234^2 .

It is an emirp because it is prime and its reverse (791527454441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 144454725197 - 2¹⁰ = 144454724173 is a prime.

Together with 144454725199, 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 (144454725199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72227362598 + 72227362599.

It is an arithmetic number, because the mean of its divisors is an integer number (72227362599).

Almost surely, 2^144454725197 is an apocalyptic number.

It is an amenable number.

144454725197 is a deficient number, since it is larger than the sum of its proper divisors (1).

144454725197 is an equidigital number, since it uses as much as digits as its factorization.

144454725197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5644800, while the sum is 53.

The spelling of 144454725197 in words is "one hundred forty-four billion, four hundred fifty-four million, seven hundred twenty-five thousand, one hundred ninety-seven".