144447622229 has 2 divisors, whose sum is σ = 144447622230. Its totient is φ = 144447622228.

The previous prime is 144447622219. The next prime is 144447622259. The reversal of 144447622229 is 922226744441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 135425472004 + 9022150225 = 368002^2 + 94985^2 .

It is a cyclic number.

It is not a de Polignac number, because 144447622229 - 2⁴ = 144447622213 is a prime.

It is a super-2 number, since 2×144447622229² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144447622219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72223811114 + 72223811115.

It is an arithmetic number, because the mean of its divisors is an integer number (72223811115).

Almost surely, 2^144447622229 is an apocalyptic number.

It is an amenable number.

144447622229 is a deficient number, since it is larger than the sum of its proper divisors (1).

144447622229 is an equidigital number, since it uses as much as digits as its factorization.

144447622229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1548288, while the sum is 47.

The spelling of 144447622229 in words is "one hundred forty-four billion, four hundred forty-seven million, six hundred twenty-two thousand, two hundred twenty-nine".