144702097 has 2 divisors, whose sum is σ = 144702098. Its totient is φ = 144702096.

The previous prime is 144702013. The next prime is 144702101. The reversal of 144702097 is 790207441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 87684496 + 57017601 = 9364^2 + 7551^2 .

It is an emirp because it is prime and its reverse (790207441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 144702097 - 2¹⁹ = 144177809 is a prime.

It is not a weakly prime, because it can be changed into another prime (144702007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72351048 + 72351049.

It is an arithmetic number, because the mean of its divisors is an integer number (72351049).

Almost surely, 2^144702097 is an apocalyptic number.

It is an amenable number.

144702097 is a deficient number, since it is larger than the sum of its proper divisors (1).

144702097 is an equidigital number, since it uses as much as digits as its factorization.

144702097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 144702097 is about 12029.2184700420. The cubic root of 144702097 is about 524.9987567620.

The spelling of 144702097 in words is "one hundred forty-four million, seven hundred two thousand, ninety-seven".