151233 has 4 divisors (see below), whose sum is σ = 201648. Its totient is φ = 100820.

The previous prime is 151213. The next prime is 151237. The reversal of 151233 is 332151.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 151233 - 2⁵ = 151201 is a prime.

It is a D-number.

151233 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (151237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25203 + ... + 25208.

It is an arithmetic number, because the mean of its divisors is an integer number (50412).

2¹⁵¹²³³ is an apocalyptic number.

It is an amenable number.

151233 is a deficient number, since it is larger than the sum of its proper divisors (50415).

151233 is an equidigital number, since it uses as much as digits as its factorization.

151233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50414.

The product of its digits is 90, while the sum is 15.

The square root of 151233 is about 388.8868730106. The cubic root of 151233 is about 53.2781155941.

Adding to 151233 its reverse (332151), we get a palindrome (483384).

It can be divided in two parts, 15123 and 3, that multiplied together give a square (45369 = 213²).

The spelling of 151233 in words is "one hundred fifty-one thousand, two hundred thirty-three".