154155013450520 has 32 divisors (see below), whose sum is σ = 348645924220320. Its totient is φ = 61342513121280.

The previous prime is 154155013450517. The next prime is 154155013450547. The reversal of 154155013450520 is 25054310551451.

It is a congruent number.

It is an unprimeable number.

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, 9984125276 + ... + 9984140715.

It is an arithmetic number, because the mean of its divisors is an integer number (10895185131885).

Almost surely, 2^{154155013450520} is an apocalyptic number.

154155013450520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

154155013450520 is an abundant number, since it is smaller than the sum of its proper divisors (194490910769800).

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

154155013450520 is a wasteful number, since it uses less digits than its factorization.

154155013450520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19968266195 (or 19968266191 counting only the distinct ones).

The product of its (nonzero) digits is 300000, while the sum is 41.

The spelling of 154155013450520 in words is "one hundred fifty-four trillion, one hundred fifty-five billion, thirteen million, four hundred fifty thousand, five hundred twenty".