148091 has 2 divisors, whose sum is σ = 148092. Its totient is φ = 148090.

The previous prime is 148079. The next prime is 148123. The reversal of 148091 is 190841.

148091 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 148091 - 2¹⁴ = 131707 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 148091.

It is not a weakly prime, because it can be changed into another prime (148021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74045 + 74046.

It is an arithmetic number, because the mean of its divisors is an integer number (74046).

2¹⁴⁸⁰⁹¹ is an apocalyptic number.

148091 is a deficient number, since it is larger than the sum of its proper divisors (1).

148091 is an equidigital number, since it uses as much as digits as its factorization.

148091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 148091 is about 384.8259346770. The cubic root of 148091 is about 52.9065637466.

The spelling of 148091 in words is "one hundred forty-eight thousand, ninety-one".