154434311121 has 8 divisors (see below), whose sum is σ = 205914240064. Its totient is φ = 102955294800.

The previous prime is 154434311107. The next prime is 154434311147. The reversal of 154434311121 is 121113434451.

It is a happy number.

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

It is not a de Polignac number, because 154434311121 - 2²⁵ = 154400756689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (154434311191) 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 7 ways as a sum of consecutive naturals, for example, 486375 + ... + 738531.

It is an arithmetic number, because the mean of its divisors is an integer number (25739280008).

Almost surely, 2^154434311121 is an apocalyptic number.

It is an amenable number.

154434311121 is a deficient number, since it is larger than the sum of its proper divisors (51479928943).

154434311121 is a wasteful number, since it uses less digits than its factorization.

154434311121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456311.

The product of its digits is 5760, while the sum is 30.

Adding to 154434311121 its reverse (121113434451), we get a palindrome (275547745572).

The spelling of 154434311121 in words is "one hundred fifty-four billion, four hundred thirty-four million, three hundred eleven thousand, one hundred twenty-one".