235440121445 has 4 divisors (see below), whose sum is σ = 282528145740. Its totient is φ = 188352097152.

The previous prime is 235440121393. The next prime is 235440121513. The reversal of 235440121445 is 544121044532.

It is a happy number.

235440121445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 79004842084 + 156435279361 = 281078^2 + 395519^2 .

It is a cyclic number.

It is not a de Polignac number, because 235440121445 - 2²⁴ = 235423344229 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23544012140 + ... + 23544012149.

It is an arithmetic number, because the mean of its divisors is an integer number (70632036435).

Almost surely, 2^235440121445 is an apocalyptic number.

It is an amenable number.

235440121445 is a deficient number, since it is larger than the sum of its proper divisors (47088024295).

235440121445 is an equidigital number, since it uses as much as digits as its factorization.

235440121445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47088024294.

The product of its (nonzero) digits is 76800, while the sum is 35.

Adding to 235440121445 its reverse (544121044532), we get a palindrome (779561165977).

The spelling of 235440121445 in words is "two hundred thirty-five billion, four hundred forty million, one hundred twenty-one thousand, four hundred forty-five".