155395 has 4 divisors (see below), whose sum is σ = 186480. Its totient is φ = 124312.

The previous prime is 155387. The next prime is 155399. The reversal of 155395 is 593551.

155395 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 593551 = 7 ⋅84793.

It is a cyclic number.

It is not a de Polignac number, because 155395 - 2³ = 155387 is a prime.

155395 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (155399) 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, 15535 + ... + 15544.

It is an arithmetic number, because the mean of its divisors is an integer number (46620).

2¹⁵⁵³⁹⁵ is an apocalyptic number.

155395 is a deficient number, since it is larger than the sum of its proper divisors (31085).

155395 is an equidigital number, since it uses as much as digits as its factorization.

155395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31084.

The product of its digits is 3375, while the sum is 28.

The square root of 155395 is about 394.2017250089. The cubic root of 155395 is about 53.7624452884.

The spelling of 155395 in words is "one hundred fifty-five thousand, three hundred ninety-five".