144859121 has 16 divisors (see below), whose sum is σ = 161064960. Its totient is φ = 129185280.

The previous prime is 144859111. The next prime is 144859157. The reversal of 144859121 is 121958441.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144859121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144859111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134975 + ... + 136043.

It is an arithmetic number, because the mean of its divisors is an integer number (10066560).

Almost surely, 2^144859121 is an apocalyptic number.

144859121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

144859121 is a deficient number, since it is larger than the sum of its proper divisors (16205839).

144859121 is a wasteful number, since it uses less digits than its factorization.

144859121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1304.

The product of its digits is 11520, while the sum is 35.

The square root of 144859121 is about 12035.7434751660. The cubic root of 144859121 is about 525.1885895411.

The spelling of 144859121 in words is "one hundred forty-four million, eight hundred fifty-nine thousand, one hundred twenty-one".