144443953 has 2 divisors, whose sum is σ = 144443954. Its totient is φ = 144443952.

The previous prime is 144443939. The next prime is 144443993. The reversal of 144443953 is 359344441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100460529 + 43983424 = 10023^2 + 6632^2 .

It is an emirp because it is prime and its reverse (359344441) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144443953 is a prime.

It is not a weakly prime, because it can be changed into another prime (144443993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72221976 + 72221977.

It is an arithmetic number, because the mean of its divisors is an integer number (72221977).

Almost surely, 2^144443953 is an apocalyptic number.

It is an amenable number.

144443953 is a deficient number, since it is larger than the sum of its proper divisors (1).

144443953 is an equidigital number, since it uses as much as digits as its factorization.

144443953 is an evil number, because the sum of its binary digits is even.

The product of its digits is 103680, while the sum is 37.

The square root of 144443953 is about 12018.4838062045. The cubic root of 144443953 is about 524.6863771610.

The spelling of 144443953 in words is "one hundred forty-four million, four hundred forty-three thousand, nine hundred fifty-three".