144554393 has 2 divisors, whose sum is σ = 144554394. Its totient is φ = 144554392.

The previous prime is 144554369. The next prime is 144554401. The reversal of 144554393 is 393455441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 139523344 + 5031049 = 11812^2 + 2243^2 .

It is a cyclic number.

It is not a de Polignac number, because 144554393 - 2²² = 140360089 is a prime.

It is not a weakly prime, because it can be changed into another prime (144554303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72277196 + 72277197.

It is an arithmetic number, because the mean of its divisors is an integer number (72277197).

Almost surely, 2^144554393 is an apocalyptic number.

It is an amenable number.

144554393 is a deficient number, since it is larger than the sum of its proper divisors (1).

144554393 is an equidigital number, since it uses as much as digits as its factorization.

144554393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 129600, while the sum is 38.

The square root of 144554393 is about 12023.0775178404. The cubic root of 144554393 is about 524.8200659268.

It can be divided in two parts, 14455 and 4393, that multiplied together give a triangular number (63500815 = T₁₁₂₆₉).

The spelling of 144554393 in words is "one hundred forty-four million, five hundred fifty-four thousand, three hundred ninety-three".