144859423 has 2 divisors, whose sum is σ = 144859424. Its totient is φ = 144859422.

The previous prime is 144859417. The next prime is 144859433. The reversal of 144859423 is 324958441.

It is a weak prime.

It is an emirp because it is prime and its reverse (324958441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 144859423 - 2²¹ = 142762271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144859433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72429711 + 72429712.

It is an arithmetic number, because the mean of its divisors is an integer number (72429712).

Almost surely, 2^144859423 is an apocalyptic number.

144859423 is a deficient number, since it is larger than the sum of its proper divisors (1).

144859423 is an equidigital number, since it uses as much as digits as its factorization.

144859423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 138240, while the sum is 40.

The square root of 144859423 is about 12035.7560211231. The cubic root of 144859423 is about 525.1889545092.

The spelling of 144859423 in words is "one hundred forty-four million, eight hundred fifty-nine thousand, four hundred twenty-three".