233122145 has 16 divisors (see below), whose sum is σ = 284653440. Its totient is φ = 183241344.

The previous prime is 233122133. The next prime is 233122159. The reversal of 233122145 is 541221332.

233122145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 233122145 - 2²² = 228927841 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 233122145.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 190004 + ... + 191226.

It is an arithmetic number, because the mean of its divisors is an integer number (17790840).

Almost surely, 2^233122145 is an apocalyptic number.

It is an amenable number.

233122145 is a deficient number, since it is larger than the sum of its proper divisors (51531295).

233122145 is a wasteful number, since it uses less digits than its factorization.

233122145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1864.

The product of its digits is 1440, while the sum is 23.

The square root of 233122145 is about 15268.3379907572. The cubic root of 233122145 is about 615.4524574905.

Adding to 233122145 its reverse (541221332), we get a palindrome (774343477).

The spelling of 233122145 in words is "two hundred thirty-three million, one hundred twenty-two thousand, one hundred forty-five".