4231775745 has 112 divisors (see below), whose sum is σ = 8325407232. Its totient is φ = 2054730240.

The previous prime is 4231775659. The next prime is 4231775771. The reversal of 4231775745 is 5475771324.

4231775745 is a `hidden beast` number, since 4 + 2 + 3 + 1 + 77 + 574 + 5 = 666.

4231775745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4231775745 - 2⁸ = 4231775489 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 4231775745.

It is an unprimeable number.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 1919814 + ... + 1922016.

Almost surely, 2^4231775745 is an apocalyptic number.

4231775745 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4231775745 is a deficient number, since it is larger than the sum of its proper divisors (4093631487).

4231775745 is a wasteful number, since it uses less digits than its factorization.

4231775745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2274 (or 2259 counting only the distinct ones).

The product of its digits is 823200, while the sum is 45.

The square root of 4231775745 is about 65052.1002351192. The cubic root of 4231775745 is about 1617.4873084230.

The spelling of 4231775745 in words is "four billion, two hundred thirty-one million, seven hundred seventy-five thousand, seven hundred forty-five".