2145233 has 8 divisors (see below), whose sum is σ = 2356800. Its totient is φ = 1943568.

The previous prime is 2145197. The next prime is 2145239. The reversal of 2145233 is 3325412.

It is a happy number.

2145233 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2145233 - 2⁸ = 2144977 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a nialpdrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (2145239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2018 + ... + 2891.

It is an arithmetic number, because the mean of its divisors is an integer number (294600).

2^2145233 is an apocalyptic number.

2145233 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2145233 is a deficient number, since it is larger than the sum of its proper divisors (211567).

2145233 is a wasteful number, since it uses less digits than its factorization.

2145233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4951.

The product of its digits is 720, while the sum is 20.

The square root of 2145233 is about 1464.6613943161. The cubic root of 2145233 is about 128.9708284898.

It can be divided in two parts, 21 and 45233, that added together give a palindrome (45254).

The spelling of 2145233 in words is "two million, one hundred forty-five thousand, two hundred thirty-three".