154224043121 has 16 divisors (see below), whose sum is σ = 156458250624. Its totient is φ = 152005054464.

The previous prime is 154224043067. The next prime is 154224043139. The reversal of 154224043121 is 121340422451.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 154224043121 - 2²² = 154219848817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (154224045121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55137695 + ... + 55140491.

It is an arithmetic number, because the mean of its divisors is an integer number (9778640664).

Almost surely, 2^154224043121 is an apocalyptic number.

It is an amenable number.

154224043121 is a deficient number, since it is larger than the sum of its proper divisors (2234207503).

154224043121 is a wasteful number, since it uses less digits than its factorization.

154224043121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5240.

The product of its (nonzero) digits is 7680, while the sum is 29.

Adding to 154224043121 its reverse (121340422451), we get a palindrome (275564465572).

The spelling of 154224043121 in words is "one hundred fifty-four billion, two hundred twenty-four million, forty-three thousand, one hundred twenty-one".