144457673 has 2 divisors, whose sum is σ = 144457674. Its totient is φ = 144457672.

The previous prime is 144457669. The next prime is 144457697. The reversal of 144457673 is 376754441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 96196864 + 48260809 = 9808^2 + 6947^2 .

It is a cyclic number.

It is not a de Polignac number, because 144457673 - 2² = 144457669 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 144457673.

It is not a weakly prime, because it can be changed into another prime (144456673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72228836 + 72228837.

It is an arithmetic number, because the mean of its divisors is an integer number (72228837).

Almost surely, 2^144457673 is an apocalyptic number.

It is an amenable number.

144457673 is a deficient number, since it is larger than the sum of its proper divisors (1).

144457673 is an equidigital number, since it uses as much as digits as its factorization.

144457673 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 282240, while the sum is 41.

The square root of 144457673 is about 12019.0545801240. The cubic root of 144457673 is about 524.7029890694.

The spelling of 144457673 in words is "one hundred forty-four million, four hundred fifty-seven thousand, six hundred seventy-three".