144286864 has 40 divisors (see below), whose sum is σ = 284961920. Its totient is φ = 70761600.

The previous prime is 144286853. The next prime is 144286873. The reversal of 144286864 is 468682441.

It is a self number, because there is not a number n which added to its sum of digits gives 144286864.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 266434 + ... + 266974.

It is an arithmetic number, because the mean of its divisors is an integer number (7124048).

Almost surely, 2^144286864 is an apocalyptic number.

It is an amenable number.

144286864 is a deficient number, since it is larger than the sum of its proper divisors (140675056).

144286864 is a wasteful number, since it uses less digits than its factorization.

144286864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 839 (or 833 counting only the distinct ones).

The product of its digits is 294912, while the sum is 43.

The square root of 144286864 is about 12011.9467198286. The cubic root of 144286864 is about 524.4961018466.

The spelling of 144286864 in words is "one hundred forty-four million, two hundred eighty-six thousand, eight hundred sixty-four".