154856668 has 12 divisors (see below), whose sum is σ = 271117000. Its totient is φ = 77394672.

The previous prime is 154856657. The next prime is 154856671. The reversal of 154856668 is 866658451.

It is a congruent number.

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, 3955 + ... + 18037.

Almost surely, 2^154856668 is an apocalyptic number.

It is an amenable number.

154856668 is a deficient number, since it is larger than the sum of its proper divisors (116260332).

154856668 is a wasteful number, since it uses less digits than its factorization.

154856668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16836 (or 16834 counting only the distinct ones).

The product of its digits is 1382400, while the sum is 49.

The square root of 154856668 is about 12444.1419149735. The cubic root of 154856668 is about 537.0029071391.

The spelling of 154856668 in words is "one hundred fifty-four million, eight hundred fifty-six thousand, six hundred sixty-eight".