16140144 has 20 divisors (see below), whose sum is σ = 41695496. Its totient is φ = 5380032.

The previous prime is 16140133. The next prime is 16140151. The reversal of 16140144 is 44104161.

It is a self number, because there is not a number n which added to its sum of digits gives 16140144.

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, 168079 + ... + 168174.

Almost surely, 2^16140144 is an apocalyptic number.

It is an amenable number.

16140144 is an abundant number, since it is smaller than the sum of its proper divisors (25555352).

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

16140144 is a wasteful number, since it uses less digits than its factorization.

16140144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336264 (or 336258 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 16140144 is about 4017.4798070432. The cubic root of 16140144 is about 252.7177822416.

The spelling of 16140144 in words is "sixteen million, one hundred forty thousand, one hundred forty-four".