144734497864909 has 2 divisors, whose sum is σ = 144734497864910. Its totient is φ = 144734497864908.

The previous prime is 144734497864843. The next prime is 144734497864933. The reversal of 144734497864909 is 909468794437441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 127353978554884 + 17380519310025 = 11285122^2 + 4168995^2 .

It is a cyclic number.

It is not a de Polignac number, because 144734497864909 - 2¹³ = 144734497856717 is a prime.

It is a super-2 number, since 2×144734497864909² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144734497864409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72367248932454 + 72367248932455.

It is an arithmetic number, because the mean of its divisors is an integer number (72367248932455).

Almost surely, 2^{144734497864909} is an apocalyptic number.

It is an amenable number.

144734497864909 is a deficient number, since it is larger than the sum of its proper divisors (1).

144734497864909 is an equidigital number, since it uses as much as digits as its factorization.

144734497864909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5267275776, while the sum is 79.

The spelling of 144734497864909 in words is "one hundred forty-four trillion, seven hundred thirty-four billion, four hundred ninety-seven million, eight hundred sixty-four thousand, nine hundred nine".