154485884172 has 12 divisors (see below), whose sum is σ = 360467063096. Its totient is φ = 51495294720.

The previous prime is 154485884141. The next prime is 154485884207. The reversal of 154485884172 is 271488584451.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6436911829 + ... + 6436911852.

Almost surely, 2^154485884172 is an apocalyptic number.

154485884172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

154485884172 is an abundant number, since it is smaller than the sum of its proper divisors (205981178924).

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

154485884172 is a wasteful number, since it uses less digits than its factorization.

154485884172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12873823688 (or 12873823686 counting only the distinct ones).

The product of its digits is 11468800, while the sum is 57.

The spelling of 154485884172 in words is "one hundred fifty-four billion, four hundred eighty-five million, eight hundred eighty-four thousand, one hundred seventy-two".