144873331 has 2 divisors, whose sum is σ = 144873332. Its totient is φ = 144873330.

The previous prime is 144873329. The next prime is 144873349. The reversal of 144873331 is 133378441.

144873331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 144873331 - 2¹ = 144873329 is a prime.

It is a super-2 number, since 2×144873331² = 41976564070071122, which contains 22 as substring.

Together with 144873329, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (144873301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72436665 + 72436666.

It is an arithmetic number, because the mean of its divisors is an integer number (72436666).

Almost surely, 2^144873331 is an apocalyptic number.

144873331 is a deficient number, since it is larger than the sum of its proper divisors (1).

144873331 is an equidigital number, since it uses as much as digits as its factorization.

144873331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192, while the sum is 34.

The square root of 144873331 is about 12036.3337856675. Note that the first 3 decimals coincide. The cubic root of 144873331 is about 525.2057618250.

The spelling of 144873331 in words is "one hundred forty-four million, eight hundred seventy-three thousand, three hundred thirty-one".