144909221153 has 2 divisors, whose sum is σ = 144909221154. Its totient is φ = 144909221152.

The previous prime is 144909221131. The next prime is 144909221251. The reversal of 144909221153 is 351122909441.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 107146238224 + 37762982929 = 327332^2 + 194327^2 .

It is a cyclic number.

It is not a de Polignac number, because 144909221153 - 2⁶ = 144909221089 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 144909221153.

It is not a weakly prime, because it can be changed into another prime (144909221123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72454610576 + 72454610577.

It is an arithmetic number, because the mean of its divisors is an integer number (72454610577).

Almost surely, 2^144909221153 is an apocalyptic number.

It is an amenable number.

144909221153 is a deficient number, since it is larger than the sum of its proper divisors (1).

144909221153 is an equidigital number, since it uses as much as digits as its factorization.

144909221153 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 77760, while the sum is 41.

The spelling of 144909221153 in words is "one hundred forty-four billion, nine hundred nine million, two hundred twenty-one thousand, one hundred fifty-three".