158394241 has 8 divisors (see below), whose sum is σ = 170609120. Its totient is φ = 146567232.

The previous prime is 158394239. The next prime is 158394311. The reversal of 158394241 is 142493851.

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

It is a cyclic number.

It is not a de Polignac number, because 158394241 - 2¹ = 158394239 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 158394241.

It is not an unprimeable number, because it can be changed into a prime (158394641) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 96120 + ... + 97753.

It is an arithmetic number, because the mean of its divisors is an integer number (21326140).

Almost surely, 2^158394241 is an apocalyptic number.

It is an amenable number.

158394241 is a deficient number, since it is larger than the sum of its proper divisors (12214879).

158394241 is a wasteful number, since it uses less digits than its factorization.

158394241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193935.

The product of its digits is 34560, while the sum is 37.

The square root of 158394241 is about 12585.4773846684. The cubic root of 158394241 is about 541.0612884601.

The spelling of 158394241 in words is "one hundred fifty-eight million, three hundred ninety-four thousand, two hundred forty-one".