235143611645 has 16 divisors (see below), whose sum is σ = 295264745472. Its totient is φ = 179552868480.

The previous prime is 235143611623. The next prime is 235143611653. The reversal of 235143611645 is 546116341532.

It is not a de Polignac number, because 235143611645 - 2¹⁰ = 235143610621 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

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, 10379477 + ... + 10402106.

It is an arithmetic number, because the mean of its divisors is an integer number (18454046592).

Almost surely, 2^235143611645 is an apocalyptic number.

It is an amenable number.

235143611645 is a deficient number, since it is larger than the sum of its proper divisors (60121133827).

235143611645 is a wasteful number, since it uses less digits than its factorization.

235143611645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20781692.

The product of its digits is 259200, while the sum is 41.

The spelling of 235143611645 in words is "two hundred thirty-five billion, one hundred forty-three million, six hundred eleven thousand, six hundred forty-five".