144075293 has 2 divisors, whose sum is σ = 144075294. Its totient is φ = 144075292.

The previous prime is 144075287. The next prime is 144075313. The reversal of 144075293 is 392570441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 135792409 + 8282884 = 11653^2 + 2878^2 .

It is a cyclic number.

It is not a de Polignac number, because 144075293 - 2²² = 139880989 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144075263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72037646 + 72037647.

It is an arithmetic number, because the mean of its divisors is an integer number (72037647).

Almost surely, 2^144075293 is an apocalyptic number.

It is an amenable number.

144075293 is a deficient number, since it is larger than the sum of its proper divisors (1).

144075293 is an equidigital number, since it uses as much as digits as its factorization.

144075293 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 144075293 is about 12003.1367983540. The cubic root of 144075293 is about 524.2396163883.

The spelling of 144075293 in words is "one hundred forty-four million, seventy-five thousand, two hundred ninety-three".