159141191 has 4 divisors (see below), whose sum is σ = 173608584. Its totient is φ = 144673800.

The previous prime is 159141187. The next prime is 159141193. The reversal of 159141191 is 191141951.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 159141191 - 2² = 159141187 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159141193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7233680 + ... + 7233701.

It is an arithmetic number, because the mean of its divisors is an integer number (43402146).

Almost surely, 2^159141191 is an apocalyptic number.

159141191 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

159141191 is a deficient number, since it is larger than the sum of its proper divisors (14467393).

159141191 is a wasteful number, since it uses less digits than its factorization.

159141191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14467392.

The product of its digits is 1620, while the sum is 32.

The square root of 159141191 is about 12615.1175579144. The cubic root of 159141191 is about 541.9104609649.

The spelling of 159141191 in words is "one hundred fifty-nine million, one hundred forty-one thousand, one hundred ninety-one".