158441857 has 8 divisors (see below), whose sum is σ = 184493376. Its totient is φ = 133244592.

The previous prime is 158441851. The next prime is 158441861. The reversal of 158441857 is 758144851.

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 158441857 - 2³ = 158441849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (158441851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213163 + ... + 213904.

It is an arithmetic number, because the mean of its divisors is an integer number (23061672).

Almost surely, 2^158441857 is an apocalyptic number.

It is an amenable number.

158441857 is a deficient number, since it is larger than the sum of its proper divisors (26051519).

158441857 is an equidigital number, since it uses as much as digits as its factorization.

158441857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427127.

The product of its digits is 179200, while the sum is 43.

The square root of 158441857 is about 12587.3689466862. The cubic root of 158441857 is about 541.1155004334.

The spelling of 158441857 in words is "one hundred fifty-eight million, four hundred forty-one thousand, eight hundred fifty-seven".