154042668068 has 12 divisors (see below), whose sum is σ = 269882058012. Its totient is φ = 76933508640.

The previous prime is 154042668067. The next prime is 154042668103. The reversal of 154042668068 is 860866240451.

It can be written as a sum of positive squares in 2 ways, for example, as 88531241764 + 65511426304 = 297542^2 + 255952^2 .

It is not an unprimeable number, because it can be changed into a prime (154042668067) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 21952403 + ... + 21959418.

It is an arithmetic number, because the mean of its divisors is an integer number (22490171501).

Almost surely, 2^154042668068 is an apocalyptic number.

It is an amenable number.

154042668068 is a deficient number, since it is larger than the sum of its proper divisors (115839389944).

154042668068 is a wasteful number, since it uses less digits than its factorization.

154042668068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43912702 (or 43912700 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 50.

The spelling of 154042668068 in words is "one hundred fifty-four billion, forty-two million, six hundred sixty-eight thousand, sixty-eight".