144230643 has 12 divisors (see below), whose sum is σ = 213178680. Its totient is φ = 93917376.

The previous prime is 144230621. The next prime is 144230683. The reversal of 144230643 is 346032441.

144230643 is a `hidden beast` number, since 14 + 4 + 2 + 3 + 0 + 643 = 666.

It is not a de Polignac number, because 144230643 - 2⁹ = 144230131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (144230683) 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 11 ways as a sum of consecutive naturals, for example, 185958 + ... + 186731.

It is an arithmetic number, because the mean of its divisors is an integer number (17764890).

Almost surely, 2^144230643 is an apocalyptic number.

144230643 is a deficient number, since it is larger than the sum of its proper divisors (68948037).

144230643 is a wasteful number, since it uses less digits than its factorization.

144230643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372738 (or 372735 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 144230643 is about 12009.6062799744. The cubic root of 144230643 is about 524.4279701510.

The spelling of 144230643 in words is "one hundred forty-four million, two hundred thirty thousand, six hundred forty-three".