144606572989 has 2 divisors, whose sum is σ = 144606572990. Its totient is φ = 144606572988.

The previous prime is 144606572941. The next prime is 144606573011. The reversal of 144606572989 is 989275606441.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 129021048025 + 15585524964 = 359195^2 + 124842^2 .

It is a cyclic number.

It is not a de Polignac number, because 144606572989 - 2¹³ = 144606564797 is a prime.

It is a super-2 number, since 2×144606572989² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144606572909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72303286494 + 72303286495.

It is an arithmetic number, because the mean of its divisors is an integer number (72303286495).

Almost surely, 2^144606572989 is an apocalyptic number.

It is an amenable number.

144606572989 is a deficient number, since it is larger than the sum of its proper divisors (1).

144606572989 is an equidigital number, since it uses as much as digits as its factorization.

144606572989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26127360, while the sum is 61.

The spelling of 144606572989 in words is "one hundred forty-four billion, six hundred six million, five hundred seventy-two thousand, nine hundred eighty-nine".