150091 has 2 divisors, whose sum is σ = 150092. Its totient is φ = 150090.

The previous prime is 150089. The next prime is 150097. The reversal of 150091 is 190051.

It is a weak prime.

It is an emirp because it is prime and its reverse (190051) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 150091 - 2¹ = 150089 is a prime.

Together with 150089, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (150097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75045 + 75046.

It is an arithmetic number, because the mean of its divisors is an integer number (75046).

2¹⁵⁰⁰⁹¹ is an apocalyptic number.

150091 is a deficient number, since it is larger than the sum of its proper divisors (1).

150091 is an equidigital number, since it uses as much as digits as its factorization.

150091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45, while the sum is 16.

The square root of 150091 is about 387.4157973031. The cubic root of 150091 is about 53.1436709459.

The spelling of 150091 in words is "one hundred fifty thousand, ninety-one".