144531162121 has 8 divisors (see below), whose sum is σ = 145375740288. Its totient is φ = 143688090000.

The previous prime is 144531162089. The next prime is 144531162163. The reversal of 144531162121 is 121261135441.

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 144531162121 - 2⁵ = 144531162089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144531163121) 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, 183730 + ... + 568171.

It is an arithmetic number, because the mean of its divisors is an integer number (18171967536).

Almost surely, 2^144531162121 is an apocalyptic number.

It is an amenable number.

144531162121 is a deficient number, since it is larger than the sum of its proper divisors (844578167).

144531162121 is an equidigital number, since it uses as much as digits as its factorization.

144531162121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 753023.

The product of its digits is 5760, while the sum is 31.

Adding to 144531162121 its reverse (121261135441), we get a palindrome (265792297562).

The spelling of 144531162121 in words is "one hundred forty-four billion, five hundred thirty-one million, one hundred sixty-two thousand, one hundred twenty-one".