144839872 has 28 divisors (see below), whose sum is σ = 287803336. Its totient is φ = 72322560.

The previous prime is 144839861. The next prime is 144839873. The reversal of 144839872 is 278938441.

It is not an unprimeable number, because it can be changed into a prime (144839873) 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, 81748 + ... + 83500.

Almost surely, 2^144839872 is an apocalyptic number.

It is an amenable number.

144839872 is a deficient number, since it is larger than the sum of its proper divisors (142963464).

144839872 is a wasteful number, since it uses less digits than its factorization.

144839872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3056 (or 3046 counting only the distinct ones).

The product of its digits is 387072, while the sum is 46.

The square root of 144839872 is about 12034.9437888176. The cubic root of 144839872 is about 525.1653260124.

The spelling of 144839872 in words is "one hundred forty-four million, eight hundred thirty-nine thousand, eight hundred seventy-two".