154421501189 has 16 divisors (see below), whose sum is σ = 172127980800. Its totient is φ = 137674658304.

The previous prime is 154421501173. The next prime is 154421501207. The reversal of 154421501189 is 981105124451.

154421501189 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 154421501189 - 2⁴ = 154421501173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154421501119) 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 15 ways as a sum of consecutive naturals, for example, 4507844 + ... + 4541970.

It is an arithmetic number, because the mean of its divisors is an integer number (10757998800).

Almost surely, 2^154421501189 is an apocalyptic number.

154421501189 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

154421501189 is a deficient number, since it is larger than the sum of its proper divisors (17706479611).

154421501189 is a wasteful number, since it uses less digits than its factorization.

154421501189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48172.

The product of its (nonzero) digits is 57600, while the sum is 41.

The spelling of 154421501189 in words is "one hundred fifty-four billion, four hundred twenty-one million, five hundred one thousand, one hundred eighty-nine".