144846643 has 4 divisors (see below), whose sum is σ = 144880920. Its totient is φ = 144812368.

The previous prime is 144846629. The next prime is 144846683. The reversal of 144846643 is 346648441.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 144846643 - 2⁹ = 144846131 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 144846596 and 144846605.

It is not an unprimeable number, because it can be changed into a prime (144846623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9733 + ... + 19606.

It is an arithmetic number, because the mean of its divisors is an integer number (36220230).

Almost surely, 2^144846643 is an apocalyptic number.

144846643 is a deficient number, since it is larger than the sum of its proper divisors (34277).

144846643 is an equidigital number, since it uses as much as digits as its factorization.

144846643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34276.

The product of its digits is 221184, while the sum is 40.

The square root of 144846643 is about 12035.2250913724. The cubic root of 144846643 is about 525.1735093921.

The spelling of 144846643 in words is "one hundred forty-four million, eight hundred forty-six thousand, six hundred forty-three".