154256875872 has 48 divisors (see below), whose sum is σ = 441735602112. Its totient is φ = 46744507520.

The previous prime is 154256875849. The next prime is 154256875933. The reversal of 154256875872 is 278578652451.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

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, 73037238 + ... + 73039349.

It is an arithmetic number, because the mean of its divisors is an integer number (9202825044).

Almost surely, 2^154256875872 is an apocalyptic number.

154256875872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

154256875872 is an abundant number, since it is smaller than the sum of its proper divisors (287478726240).

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

154256875872 is a wasteful number, since it uses less digits than its factorization.

154256875872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146076611 (or 146076603 counting only the distinct ones).

The product of its digits is 37632000, while the sum is 60.

The spelling of 154256875872 in words is "one hundred fifty-four billion, two hundred fifty-six million, eight hundred seventy-five thousand, eight hundred seventy-two".