144431430061 has 2 divisors, whose sum is σ = 144431430062. Its totient is φ = 144431430060.

The previous prime is 144431430049. The next prime is 144431430071. The reversal of 144431430061 is 160034134441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 142879464036 + 1551966025 = 377994^2 + 39395^2 .

It is a cyclic number.

It is not a de Polignac number, because 144431430061 - 2⁵ = 144431430029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144431430071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72215715030 + 72215715031.

It is an arithmetic number, because the mean of its divisors is an integer number (72215715031).

Almost surely, 2^144431430061 is an apocalyptic number.

It is an amenable number.

144431430061 is a deficient number, since it is larger than the sum of its proper divisors (1).

144431430061 is an equidigital number, since it uses as much as digits as its factorization.

144431430061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 31.

The spelling of 144431430061 in words is "one hundred forty-four billion, four hundred thirty-one million, four hundred thirty thousand, sixty-one".