155339 has 4 divisors (see below), whose sum is σ = 156456. Its totient is φ = 154224.

The previous prime is 155333. The next prime is 155371. The reversal of 155339 is 933551.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 155339 - 2⁸ = 155083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (155333) 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, 314 + ... + 639.

It is an arithmetic number, because the mean of its divisors is an integer number (39114).

2¹⁵⁵³³⁹ is an apocalyptic number.

155339 is a deficient number, since it is larger than the sum of its proper divisors (1117).

155339 is an equidigital number, since it uses as much as digits as its factorization.

155339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1116.

The product of its digits is 2025, while the sum is 26.

The square root of 155339 is about 394.1306889853. The cubic root of 155339 is about 53.7559863533.

It can be divided in two parts, 155 and 339, that added together give a palindrome (494).

The spelling of 155339 in words is "one hundred fifty-five thousand, three hundred thirty-nine".