151533 has 12 divisors (see below), whose sum is σ = 222300. Its totient is φ = 99456.

The previous prime is 151531. The next prime is 151537. The reversal of 151533 is 335151.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 8649 + 142884 = 93^2 + 378^2 .

It is not a de Polignac number, because 151533 - 2¹ = 151531 is a prime.

It is a zygodrome in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151531) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 943 + ... + 1091.

It is an arithmetic number, because the mean of its divisors is an integer number (18525).

2¹⁵¹⁵³³ is an apocalyptic number.

It is an amenable number.

151533 is a deficient number, since it is larger than the sum of its proper divisors (70767).

151533 is a wasteful number, since it uses less digits than its factorization.

151533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268 (or 265 counting only the distinct ones).

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

The square root of 151533 is about 389.2723981995. The cubic root of 151533 is about 53.3133214851.

Adding to 151533 its reverse (335151), we get a palindrome (486684).

The spelling of 151533 in words is "one hundred fifty-one thousand, five hundred thirty-three".