154789216 has 24 divisors (see below), whose sum is σ = 322668360. Its totient is φ = 72841728.

The previous prime is 154789163. The next prime is 154789247. The reversal of 154789216 is 612987451.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141726 + ... + 142813.

It is an arithmetic number, because the mean of its divisors is an integer number (13444515).

Almost surely, 2^154789216 is an apocalyptic number.

154789216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

154789216 is an abundant number, since it is smaller than the sum of its proper divisors (167879144).

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

154789216 is a wasteful number, since it uses less digits than its factorization.

154789216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284566 (or 284558 counting only the distinct ones).

The product of its digits is 120960, while the sum is 43.

The square root of 154789216 is about 12441.4314288992. The cubic root of 154789216 is about 536.9249271141.

The spelling of 154789216 in words is "one hundred fifty-four million, seven hundred eighty-nine thousand, two hundred sixteen".