2235661143 has 8 divisors (see below), whose sum is σ = 3156227568. Its totient is φ = 1402767744.

The previous prime is 2235661123. The next prime is 2235661147. The reversal of 2235661143 is 3411665322.

2235661143 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 not a de Polignac number, because 2235661143 - 2⁸ = 2235660887 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2235661147) 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, 21918196 + ... + 21918297.

It is an arithmetic number, because the mean of its divisors is an integer number (394528446).

Almost surely, 2^2235661143 is an apocalyptic number.

2235661143 is a deficient number, since it is larger than the sum of its proper divisors (920566425).

2235661143 is a wasteful number, since it uses less digits than its factorization.

2235661143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43836513.

The product of its digits is 25920, while the sum is 33.

The square root of 2235661143 is about 47282.7785033832. The cubic root of 2235661143 is about 1307.5811751154.

The spelling of 2235661143 in words is "two billion, two hundred thirty-five million, six hundred sixty-one thousand, one hundred forty-three".