144702497 has 2 divisors, whose sum is σ = 144702498. Its totient is φ = 144702496.

The previous prime is 144702463. The next prime is 144702511. The reversal of 144702497 is 794207441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 98883136 + 45819361 = 9944^2 + 6769^2 .

It is a cyclic number.

It is not a de Polignac number, because 144702497 - 2⁶ = 144702433 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 144702497.

It is not a weakly prime, because it can be changed into another prime (144702427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72351248 + 72351249.

It is an arithmetic number, because the mean of its divisors is an integer number (72351249).

Almost surely, 2^144702497 is an apocalyptic number.

It is an amenable number.

144702497 is a deficient number, since it is larger than the sum of its proper divisors (1).

144702497 is an equidigital number, since it uses as much as digits as its factorization.

144702497 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56448, while the sum is 38.

The square root of 144702497 is about 12029.2350962146. The cubic root of 144702497 is about 524.9992405129. Note that the first 3 decimals are identical.

The spelling of 144702497 in words is "one hundred forty-four million, seven hundred two thousand, four hundred ninety-seven".