154345209980 has 48 divisors (see below), whose sum is σ = 361094116320. Its totient is φ = 55023859968.

The previous prime is 154345209961. The next prime is 154345210003. The reversal of 154345209980 is 89902543451.

154345209980 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 10227554 + ... + 10242633.

It is an arithmetic number, because the mean of its divisors is an integer number (7522794090).

Almost surely, 2^154345209980 is an apocalyptic number.

154345209980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

154345209980 is an abundant number, since it is smaller than the sum of its proper divisors (206748906340).

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

154345209980 is a wasteful number, since it uses less digits than its factorization.

154345209980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20470238 (or 20470236 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 50.

The spelling of 154345209980 in words is "one hundred fifty-four billion, three hundred forty-five million, two hundred nine thousand, nine hundred eighty".