158154242 has 8 divisors (see below), whose sum is σ = 237287232. Its totient is φ = 79058500.

The previous prime is 158154223. The next prime is 158154251. The reversal of 158154242 is 242451851.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 158154199 and 158154208.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7067 + ... + 19137.

It is an arithmetic number, because the mean of its divisors is an integer number (29660904).

Almost surely, 2^158154242 is an apocalyptic number.

158154242 is a deficient number, since it is larger than the sum of its proper divisors (79132990).

158154242 is a wasteful number, since it uses less digits than its factorization.

158154242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18624.

The product of its digits is 12800, while the sum is 32.

The square root of 158154242 is about 12575.9390106664. The cubic root of 158154242 is about 540.7878782493.

The spelling of 158154242 in words is "one hundred fifty-eight million, one hundred fifty-four thousand, two hundred forty-two".