154243420320 has 192 divisors, whose sum is σ = 531303131520. Its totient is φ = 37302988800.

The previous prime is 154243420313. The next prime is 154243420337. The reversal of 154243420320 is 23024342451.

154243420320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 2188186 + ... + 2257574.

It is an arithmetic number, because the mean of its divisors is an integer number (2767203810).

Almost surely, 2^154243420320 is an apocalyptic number.

154243420320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 154243420320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (265651565760).

154243420320 is an abundant number, since it is smaller than the sum of its proper divisors (377059711200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

154243420320 is a wasteful number, since it uses less digits than its factorization.

154243420320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69839 (or 69831 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 154243420320 its reverse (23024342451), we get a palindrome (177267762771).

The spelling of 154243420320 in words is "one hundred fifty-four billion, two hundred forty-three million, four hundred twenty thousand, three hundred twenty".