154061866 has 16 divisors (see below), whose sum is σ = 275589504. Its totient is φ = 63155664.

The previous prime is 154061849. The next prime is 154061867. The reversal of 154061866 is 668160451.

It is not an unprimeable number, because it can be changed into a prime (154061867) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 238905 + ... + 239548.

It is an arithmetic number, because the mean of its divisors is an integer number (17224344).

Almost surely, 2^154061866 is an apocalyptic number.

154061866 is a deficient number, since it is larger than the sum of its proper divisors (121527638).

154061866 is a wasteful number, since it uses less digits than its factorization.

154061866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478485.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 154061866 is about 12412.1660478742. The cubic root of 154061866 is about 536.0826082116.

The spelling of 154061866 in words is "one hundred fifty-four million, sixty-one thousand, eight hundred sixty-six".