154020868 has 24 divisors (see below), whose sum is σ = 276200064. Its totient is φ = 75129600.

The previous prime is 154020851. The next prime is 154020907. The reversal of 154020868 is 868020451.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24753 + ... + 30343.

It is an arithmetic number, because the mean of its divisors is an integer number (11508336).

Almost surely, 2^154020868 is an apocalyptic number.

It is an amenable number.

154020868 is a deficient number, since it is larger than the sum of its proper divisors (122179196).

154020868 is a wasteful number, since it uses less digits than its factorization.

154020868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5763 (or 5761 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 34.

The square root of 154020868 is about 12410.5144131901. The cubic root of 154020868 is about 536.0350509862.

The spelling of 154020868 in words is "one hundred fifty-four million, twenty thousand, eight hundred sixty-eight".