155043 has 24 divisors (see below), whose sum is σ = 269568. Its totient is φ = 83952.

The previous prime is 155027. The next prime is 155047. The reversal of 155043 is 340551.

155043 is nontrivially palindromic in base 13.

It is not a de Polignac number, because 155043 - 2⁴ = 155027 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155047) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1396 + ... + 1502.

It is an arithmetic number, because the mean of its divisors is an integer number (11232).

2¹⁵⁵⁰⁴³ is an apocalyptic number.

155043 is a deficient number, since it is larger than the sum of its proper divisors (114525).

155043 is a wasteful number, since it uses less digits than its factorization.

155043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143 (or 140 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 155043 is about 393.7549999683. The cubic root of 155043 is about 53.7218204551.

Adding to 155043 its reverse (340551), we get a palindrome (495594).

The spelling of 155043 in words is "one hundred fifty-five thousand, forty-three".