144358493 has 2 divisors, whose sum is σ = 144358494. Its totient is φ = 144358492.

The previous prime is 144358483. The next prime is 144358547. The reversal of 144358493 is 394853441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 139169209 + 5189284 = 11797^2 + 2278^2 .

It is a cyclic number.

It is not a de Polignac number, because 144358493 - 2⁶ = 144358429 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 144358493.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144358483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72179246 + 72179247.

It is an arithmetic number, because the mean of its divisors is an integer number (72179247).

Almost surely, 2^144358493 is an apocalyptic number.

It is an amenable number.

144358493 is a deficient number, since it is larger than the sum of its proper divisors (1).

144358493 is an equidigital number, since it uses as much as digits as its factorization.

144358493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 207360, while the sum is 41.

The square root of 144358493 is about 12014.9279232129. The cubic root of 144358493 is about 524.5828801693.

The spelling of 144358493 in words is "one hundred forty-four million, three hundred fifty-eight thousand, four hundred ninety-three".