154278116 has 6 divisors (see below), whose sum is σ = 269986710. Its totient is φ = 77139056.

The previous prime is 154278083. The next prime is 154278139. The reversal of 154278116 is 611872451.

It can be written as a sum of positive squares in only one way, i.e., 140185600 + 14092516 = 11840^2 + 3754^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19284761 + ... + 19284768.

It is an arithmetic number, because the mean of its divisors is an integer number (44997785).

Almost surely, 2^154278116 is an apocalyptic number.

It is an amenable number.

154278116 is a deficient number, since it is larger than the sum of its proper divisors (115708594).

154278116 is a wasteful number, since it uses less digits than its factorization.

154278116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38569533 (or 38569531 counting only the distinct ones).

The product of its digits is 13440, while the sum is 35.

The square root of 154278116 is about 12420.8742043384. The cubic root of 154278116 is about 536.3333162947. Note that the first 4 decimals are identical.

The spelling of 154278116 in words is "one hundred fifty-four million, two hundred seventy-eight thousand, one hundred sixteen".