144643678 has 16 divisors (see below), whose sum is σ = 222672240. Its totient is φ = 70439616.

The previous prime is 144643673. The next prime is 144643679. The reversal of 144643678 is 876346441.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144643673) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9826 + ... + 19642.

It is an arithmetic number, because the mean of its divisors is an integer number (13917015).

Almost surely, 2^144643678 is an apocalyptic number.

144643678 is a deficient number, since it is larger than the sum of its proper divisors (78028562).

144643678 is a wasteful number, since it uses less digits than its factorization.

144643678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10011.

The product of its digits is 387072, while the sum is 43.

The square root of 144643678 is about 12026.7900123017. The cubic root of 144643678 is about 524.9280965774.

The spelling of 144643678 in words is "one hundred forty-four million, six hundred forty-three thousand, six hundred seventy-eight".