144253686 has 8 divisors (see below), whose sum is σ = 288507384. Its totient is φ = 48084560.

The previous prime is 144253673. The next prime is 144253693. The reversal of 144253686 is 686352441.

It is a sphenic number, since it is the product of 3 distinct primes.

144253686 is an admirable number.

It is a congruent number.

It is an unprimeable number.

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, 12021135 + ... + 12021146.

It is an arithmetic number, because the mean of its divisors is an integer number (36063423).

Almost surely, 2^144253686 is an apocalyptic number.

144253686 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

144253686 is a wasteful number, since it uses less digits than its factorization.

144253686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24042286.

The product of its digits is 138240, while the sum is 39.

The square root of 144253686 is about 12010.5655986719. The cubic root of 144253686 is about 524.4558970648.

The spelling of 144253686 in words is "one hundred forty-four million, two hundred fifty-three thousand, six hundred eighty-six".