144453923 has 2 divisors, whose sum is σ = 144453924. Its totient is φ = 144453922.

The previous prime is 144453919. The next prime is 144453929. The reversal of 144453923 is 329354441.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 144453923 - 2² = 144453919 is a prime.

It is not a weakly prime, because it can be changed into another prime (144453929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72226961 + 72226962.

It is an arithmetic number, because the mean of its divisors is an integer number (72226962).

Almost surely, 2^144453923 is an apocalyptic number.

144453923 is a deficient number, since it is larger than the sum of its proper divisors (1).

144453923 is an equidigital number, since it uses as much as digits as its factorization.

144453923 is an odious number, because the sum of its binary digits is odd.

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

The square root of 144453923 is about 12018.8985768247. The cubic root of 144453923 is about 524.6984487470.

The spelling of 144453923 in words is "one hundred forty-four million, four hundred fifty-three thousand, nine hundred twenty-three".