144686856 has 16 divisors (see below), whose sum is σ = 361717200. Its totient is φ = 48228944.

The previous prime is 144686851. The next prime is 144686879. The reversal of 144686856 is 658686441.

It is not an unprimeable number, because it can be changed into a prime (144686851) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3014286 + ... + 3014333.

It is an arithmetic number, because the mean of its divisors is an integer number (22607325).

Almost surely, 2^144686856 is an apocalyptic number.

It is an amenable number.

144686856 is an abundant number, since it is smaller than the sum of its proper divisors (217030344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144686856 is a wasteful number, since it uses less digits than its factorization.

144686856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6028628 (or 6028624 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 48.

The square root of 144686856 is about 12028.5849541831. The cubic root of 144686856 is about 524.9803239791.

The spelling of 144686856 in words is "one hundred forty-four million, six hundred eighty-six thousand, eight hundred fifty-six".