144468473 has 2 divisors, whose sum is σ = 144468474. Its totient is φ = 144468472.

The previous prime is 144468391. The next prime is 144468479. The reversal of 144468473 is 374864441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 81234169 + 63234304 = 9013^2 + 7952^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144468473 is a prime.

It is a super-2 number, since 2×144468473² = 41742279381903458, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 144468473.

It is not a weakly prime, because it can be changed into another prime (144468479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72234236 + 72234237.

It is an arithmetic number, because the mean of its divisors is an integer number (72234237).

Almost surely, 2^144468473 is an apocalyptic number.

It is an amenable number.

144468473 is a deficient number, since it is larger than the sum of its proper divisors (1).

144468473 is an equidigital number, since it uses as much as digits as its factorization.

144468473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 258048, while the sum is 41.

The square root of 144468473 is about 12019.5038583130. The cubic root of 144468473 is about 524.7160647590.

The spelling of 144468473 in words is "one hundred forty-four million, four hundred sixty-eight thousand, four hundred seventy-three".