153091 has 4 divisors (see below), whose sum is σ = 158400. Its totient is φ = 147784.

The previous prime is 153089. The next prime is 153107. The reversal of 153091 is 190351.

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

It is not a de Polignac number, because 153091 - 2¹ = 153089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (153001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2611 + ... + 2668.

It is an arithmetic number, because the mean of its divisors is an integer number (39600).

2¹⁵³⁰⁹¹ is an apocalyptic number.

153091 is a deficient number, since it is larger than the sum of its proper divisors (5309).

153091 is an equidigital number, since it uses as much as digits as its factorization.

153091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5308.

The product of its (nonzero) digits is 135, while the sum is 19.

The square root of 153091 is about 391.2684500442. The cubic root of 153091 is about 53.4954140536.

The spelling of 153091 in words is "one hundred fifty-three thousand, ninety-one".