144455329 has 2 divisors, whose sum is σ = 144455330. Its totient is φ = 144455328.

The previous prime is 144455323. The next prime is 144455357. The reversal of 144455329 is 923554441.

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., 135140625 + 9314704 = 11625^2 + 3052^2 .

It is a cyclic number.

It is not a de Polignac number, because 144455329 - 2¹⁵ = 144422561 is a prime.

It is not a weakly prime, because it can be changed into another prime (144455323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72227664 + 72227665.

It is an arithmetic number, because the mean of its divisors is an integer number (72227665).

Almost surely, 2^144455329 is an apocalyptic number.

It is an amenable number.

144455329 is a deficient number, since it is larger than the sum of its proper divisors (1).

144455329 is an equidigital number, since it uses as much as digits as its factorization.

144455329 is an evil number, because the sum of its binary digits is even.

The product of its digits is 86400, while the sum is 37.

The square root of 144455329 is about 12018.9570678990. The cubic root of 144455329 is about 524.7001510745.

The spelling of 144455329 in words is "one hundred forty-four million, four hundred fifty-five thousand, three hundred twenty-nine".