144690323 has 2 divisors, whose sum is σ = 144690324. Its totient is φ = 144690322.

The previous prime is 144690311. The next prime is 144690389. The reversal of 144690323 is 323096441.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 144690323 - 2⁸ = 144690067 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 144690323.

It is not a weakly prime, because it can be changed into another prime (144690523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72345161 + 72345162.

It is an arithmetic number, because the mean of its divisors is an integer number (72345162).

Almost surely, 2^144690323 is an apocalyptic number.

144690323 is a deficient number, since it is larger than the sum of its proper divisors (1).

144690323 is an equidigital number, since it uses as much as digits as its factorization.

144690323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 144690323 is about 12028.7290683596. The cubic root of 144690323 is about 524.9845171549.

The spelling of 144690323 in words is "one hundred forty-four million, six hundred ninety thousand, three hundred twenty-three".