155133 has 12 divisors (see below), whose sum is σ = 244608. Its totient is φ = 93960.

The previous prime is 155119. The next prime is 155137. The reversal of 155133 is 331551.

It is a happy number.

It is not a de Polignac number, because 155133 - 2⁶ = 155069 is a prime.

It is a nialpdrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 685 + ... + 882.

It is an arithmetic number, because the mean of its divisors is an integer number (20384).

2¹⁵⁵¹³³ is an apocalyptic number.

It is an amenable number.

155133 is a deficient number, since it is larger than the sum of its proper divisors (89475).

155133 is a wasteful number, since it uses less digits than its factorization.

155133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1584 (or 1581 counting only the distinct ones).

The product of its digits is 225, while the sum is 18.

The square root of 155133 is about 393.8692676511. The cubic root of 155133 is about 53.7322133324.

Adding to 155133 its reverse (331551), we get a palindrome (486684).

The spelling of 155133 in words is "one hundred fifty-five thousand, one hundred thirty-three".