155093 has 4 divisors (see below), whose sum is σ = 160128. Its totient is φ = 150060.

The previous prime is 155087. The next prime is 155119. The reversal of 155093 is 390551.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 390551 = 7 ⋅55793.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-155093 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155003) 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 3 ways as a sum of consecutive naturals, for example, 2471 + ... + 2532.

It is an arithmetic number, because the mean of its divisors is an integer number (40032).

2¹⁵⁵⁰⁹³ is an apocalyptic number.

It is an amenable number.

155093 is a deficient number, since it is larger than the sum of its proper divisors (5035).

155093 is an equidigital number, since it uses as much as digits as its factorization.

155093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5034.

The product of its (nonzero) digits is 675, while the sum is 23.

The square root of 155093 is about 393.8184861075. The cubic root of 155093 is about 53.7275947722.

The spelling of 155093 in words is "one hundred fifty-five thousand, ninety-three".