233145033 has 16 divisors (see below), whose sum is σ = 339379392. Its totient is φ = 141192000.

The previous prime is 233145019. The next prime is 233145041. The reversal of 233145033 is 330541332.

It is a happy number.

233145033 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-233145033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 233144994 and 233145012.

It is not an unprimeable number, because it can be changed into a prime (233145013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71703 + ... + 74883.

It is an arithmetic number, because the mean of its divisors is an integer number (21211212).

Almost surely, 2^233145033 is an apocalyptic number.

It is an amenable number.

233145033 is a deficient number, since it is larger than the sum of its proper divisors (106234359).

233145033 is a wasteful number, since it uses less digits than its factorization.

233145033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5416.

The product of its (nonzero) digits is 3240, while the sum is 24.

The square root of 233145033 is about 15269.0874972933. The cubic root of 233145033 is about 615.4725985985.

Adding to 233145033 its reverse (330541332), we get a palindrome (563686365).

The spelling of 233145033 in words is "two hundred thirty-three million, one hundred forty-five thousand, thirty-three".