154429842897 has 32 divisors (see below), whose sum is σ = 249617756160. Its totient is φ = 93581030160.

The previous prime is 154429842829. The next prime is 154429842907. The reversal of 154429842897 is 798248924451.

154429842897 is a `hidden beast` number, since 1 + 5 + 442 + 9 + 84 + 28 + 97 = 666.

It is not a de Polignac number, because 154429842897 - 2⁷ = 154429842769 is a prime.

It is not an unprimeable number, because it can be changed into a prime (154429842997) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2422648 + ... + 2485574.

It is an arithmetic number, because the mean of its divisors is an integer number (7800554880).

Almost surely, 2^154429842897 is an apocalyptic number.

It is an amenable number.

154429842897 is a deficient number, since it is larger than the sum of its proper divisors (95187913263).

154429842897 is a wasteful number, since it uses less digits than its factorization.

154429842897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71210 (or 71204 counting only the distinct ones).

The product of its digits is 46448640, while the sum is 63.

The spelling of 154429842897 in words is "one hundred fifty-four billion, four hundred twenty-nine million, eight hundred forty-two thousand, eight hundred ninety-seven".