154424314121 has 24 divisors (see below), whose sum is σ = 200676826560. Its totient is φ = 116181283680.

The previous prime is 154424314091. The next prime is 154424314129. The reversal of 154424314121 is 121413424451.

It is a de Polignac number, because none of the positive numbers 2^k-154424314121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (154424314129) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3118871 + ... + 3167996.

It is an arithmetic number, because the mean of its divisors is an integer number (8361534440).

Almost surely, 2^154424314121 is an apocalyptic number.

154424314121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

154424314121 is a deficient number, since it is larger than the sum of its proper divisors (46252512439).

154424314121 is a wasteful number, since it uses less digits than its factorization.

154424314121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6286925 (or 6286914 counting only the distinct ones).

The product of its digits is 15360, while the sum is 32.

Adding to 154424314121 its reverse (121413424451), we get a palindrome (275837738572).

The spelling of 154424314121 in words is "one hundred fifty-four billion, four hundred twenty-four million, three hundred fourteen thousand, one hundred twenty-one".