233145012 has 24 divisors (see below), whose sum is σ = 544301856. Its totient is φ = 77672608.

The previous prime is 233144993. The next prime is 233145013. The reversal of 233145012 is 210541332.

233145012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 233145012.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 24163 + ... + 32405.

It is an arithmetic number, because the mean of its divisors is an integer number (22679244).

Almost surely, 2^233145012 is an apocalyptic number.

It is an amenable number.

233145012 is an abundant number, since it is smaller than the sum of its proper divisors (311156844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

233145012 is a wasteful number, since it uses less digits than its factorization.

233145012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10607 (or 10605 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 233145012 is about 15269.0868096294. The cubic root of 233145012 is about 615.4725801194.

Adding to 233145012 its reverse (210541332), we get a palindrome (443686344).

The spelling of 233145012 in words is "two hundred thirty-three million, one hundred forty-five thousand, twelve".