154321146321 has 8 divisors (see below), whose sum is σ = 205964653440. Its totient is φ = 102779201712.

The previous prime is 154321146307. The next prime is 154321146323. The reversal of 154321146321 is 123641123451.

154321146321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 154321146321 - 2⁵ = 154321146289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (154321146323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25387081 + ... + 25393158.

It is an arithmetic number, because the mean of its divisors is an integer number (25745581680).

Almost surely, 2^154321146321 is an apocalyptic number.

It is an amenable number.

154321146321 is a deficient number, since it is larger than the sum of its proper divisors (51643507119).

154321146321 is a wasteful number, since it uses less digits than its factorization.

154321146321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50781255.

The product of its digits is 17280, while the sum is 33.

Adding to 154321146321 its reverse (123641123451), we get a palindrome (277962269772).

The spelling of 154321146321 in words is "one hundred fifty-four billion, three hundred twenty-one million, one hundred forty-six thousand, three hundred twenty-one".