144011864 has 16 divisors (see below), whose sum is σ = 278733120. Its totient is φ = 69683040.

The previous prime is 144011851. The next prime is 144011867. The reversal of 144011864 is 468110441.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144011867) 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, 290099 + ... + 290594.

It is an arithmetic number, because the mean of its divisors is an integer number (17420820).

Almost surely, 2^144011864 is an apocalyptic number.

It is an amenable number.

144011864 is a deficient number, since it is larger than the sum of its proper divisors (134721256).

144011864 is a wasteful number, since it uses less digits than its factorization.

144011864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580730 (or 580726 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 144011864 is about 12000.4943231519. The cubic root of 144011864 is about 524.1626731112.

The spelling of 144011864 in words is "one hundred forty-four million, eleven thousand, eight hundred sixty-four".