144731697037 has 2 divisors, whose sum is σ = 144731697038. Its totient is φ = 144731697036.

The previous prime is 144731696987. The next prime is 144731697083. The reversal of 144731697037 is 730796137441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 81701075556 + 63030621481 = 285834^2 + 251059^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144731697037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144731697137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72365848518 + 72365848519.

It is an arithmetic number, because the mean of its divisors is an integer number (72365848519).

Almost surely, 2^144731697037 is an apocalyptic number.

It is an amenable number.

144731697037 is a deficient number, since it is larger than the sum of its proper divisors (1).

144731697037 is an equidigital number, since it uses as much as digits as its factorization.

144731697037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2667168, while the sum is 52.

The spelling of 144731697037 in words is "one hundred forty-four billion, seven hundred thirty-one million, six hundred ninety-seven thousand, thirty-seven".