144345293 has 2 divisors, whose sum is σ = 144345294. Its totient is φ = 144345292.

The previous prime is 144345287. The next prime is 144345307. The reversal of 144345293 is 392543441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 144312169 + 33124 = 12013^2 + 182^2 .

It is a cyclic number.

It is not a de Polignac number, because 144345293 - 2⁴ = 144345277 is a prime.

It is a super-2 number, since 2×144345293² = 41671127222511698, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144345203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72172646 + 72172647.

It is an arithmetic number, because the mean of its divisors is an integer number (72172647).

Almost surely, 2^144345293 is an apocalyptic number.

It is an amenable number.

144345293 is a deficient number, since it is larger than the sum of its proper divisors (1).

144345293 is an equidigital number, since it uses as much as digits as its factorization.

144345293 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51840, while the sum is 35.

The square root of 144345293 is about 12014.3785940014. The cubic root of 144345293 is about 524.5668905660.

The spelling of 144345293 in words is "one hundred forty-four million, three hundred forty-five thousand, two hundred ninety-three".