154009042847 has 24 divisors (see below), whose sum is σ = 170384931696. Its totient is φ = 139098960000.

The previous prime is 154009042829. The next prime is 154009042861. The reversal of 154009042847 is 748240900451.

It is not a de Polignac number, because 154009042847 - 2²⁶ = 153941933983 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 154009042798 and 154009042807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154009042867) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15339113 + ... + 15349149.

It is an arithmetic number, because the mean of its divisors is an integer number (7099372154).

Almost surely, 2^154009042847 is an apocalyptic number.

154009042847 is a deficient number, since it is larger than the sum of its proper divisors (16375888849).

154009042847 is a wasteful number, since it uses less digits than its factorization.

154009042847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10871 (or 10860 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 44.

The spelling of 154009042847 in words is "one hundred fifty-four billion, nine million, forty-two thousand, eight hundred forty-seven".