144542025121 has 8 divisors (see below), whose sum is σ = 155672594280. Its totient is φ = 133413163392.

The previous prime is 144542025119. The next prime is 144542025157. The reversal of 144542025121 is 121520245441.

It can be written as a sum of positive squares in 4 ways, for example, as 53159758096 + 91382267025 = 230564^2 + 302295^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 144542025121 - 2¹ = 144542025119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144542023121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 248260 + ... + 592213.

It is an arithmetic number, because the mean of its divisors is an integer number (19459074285).

Almost surely, 2^144542025121 is an apocalyptic number.

It is an amenable number.

144542025121 is a deficient number, since it is larger than the sum of its proper divisors (11130569159).

144542025121 is a wasteful number, since it uses less digits than its factorization.

144542025121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 853715.

The product of its (nonzero) digits is 12800, while the sum is 31.

The spelling of 144542025121 in words is "one hundred forty-four billion, five hundred forty-two million, twenty-five thousand, one hundred twenty-one".