154944816 has 40 divisors (see below), whose sum is σ = 431066160. Its totient is φ = 47675136.

The previous prime is 154944799. The next prime is 154944821. The reversal of 154944816 is 618449451.

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 in 7 ways as a sum of consecutive naturals, for example, 123531 + ... + 124778.

It is an arithmetic number, because the mean of its divisors is an integer number (10776654).

Almost surely, 2^154944816 is an apocalyptic number.

154944816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

154944816 is an abundant number, since it is smaller than the sum of its proper divisors (276121344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

154944816 is a wasteful number, since it uses less digits than its factorization.

154944816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248333 (or 248327 counting only the distinct ones).

The product of its digits is 138240, while the sum is 42.

The square root of 154944816 is about 12447.6831579214. The cubic root of 154944816 is about 537.1047793073.

The spelling of 154944816 in words is "one hundred fifty-four million, nine hundred forty-four thousand, eight hundred sixteen".