233645145 has 16 divisors (see below), whose sum is σ = 374200512. Its totient is φ = 124488000.

The previous prime is 233645129. The next prime is 233645213. The reversal of 233645145 is 541546332.

It is not a de Polignac number, because 233645145 - 2⁴ = 233645129 is a prime.

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, 9270 + ... + 23520.

It is an arithmetic number, because the mean of its divisors is an integer number (23387532).

Almost surely, 2^233645145 is an apocalyptic number.

It is an amenable number.

233645145 is a deficient number, since it is larger than the sum of its proper divisors (140555367).

233645145 is a wasteful number, since it uses less digits than its factorization.

233645145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15352.

The product of its digits is 43200, while the sum is 33.

The square root of 233645145 is about 15285.4553415984. The cubic root of 233645145 is about 615.9123612110.

The spelling of 233645145 in words is "two hundred thirty-three million, six hundred forty-five thousand, one hundred forty-five".