154043223998 has 12 divisors (see below), whose sum is σ = 238758985440. Its totient is φ = 74537042940.

The previous prime is 154043223937. The next prime is 154043224021. The reversal of 154043223998 is 899322340451.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 40071758 + ... + 40075601.

It is an arithmetic number, because the mean of its divisors is an integer number (19896582120).

Almost surely, 2^154043223998 is an apocalyptic number.

154043223998 is a deficient number, since it is larger than the sum of its proper divisors (84715761442).

154043223998 is an equidigital number, since it uses as much as digits as its factorization.

154043223998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80147423 (or 80147392 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 50.

The spelling of 154043223998 in words is "one hundred fifty-four billion, forty-three million, two hundred twenty-three thousand, nine hundred ninety-eight".