155343 has 8 divisors (see below), whose sum is σ = 211248. Its totient is φ = 101504.

The previous prime is 155333. The next prime is 155371. The reversal of 155343 is 343551.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 155343 - 2⁴ = 155327 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 330 + ... + 647.

It is an arithmetic number, because the mean of its divisors is an integer number (26406).

2¹⁵⁵³⁴³ is an apocalyptic number.

155343 is a deficient number, since it is larger than the sum of its proper divisors (55905).

155343 is an equidigital number, since it uses as much as digits as its factorization.

155343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1033.

The product of its digits is 900, while the sum is 21.

The square root of 155343 is about 394.1357634115. The cubic root of 155343 is about 53.7564477572.

Adding to 155343 its reverse (343551), we get a palindrome (498894).

It can be divided in two parts, 1553 and 43, that added together give a triangular number (1596 = T₅₆).

The spelling of 155343 in words is "one hundred fifty-five thousand, three hundred forty-three".