43523125245 has 24 divisors (see below), whose sum is σ = 75619309272. Its totient is φ = 23157187200.

The previous prime is 43523125241. The next prime is 43523125309. The reversal of 43523125245 is 54252132534.

43523125245 is a `hidden beast` number, since 4 + 3 + 523 + 125 + 2 + 4 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 4460369796 + 39062755449 = 66786^2 + 197643^2 .

It is not a de Polignac number, because 43523125245 - 2² = 43523125241 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43523125241) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1129726 + ... + 1167615.

It is an arithmetic number, because the mean of its divisors is an integer number (3150804553).

Almost surely, 2^43523125245 is an apocalyptic number.

43523125245 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

43523125245 is a deficient number, since it is larger than the sum of its proper divisors (32096184027).

43523125245 is a wasteful number, since it uses less digits than its factorization.

43523125245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2297773 (or 2297770 counting only the distinct ones).

The product of its digits is 144000, while the sum is 36.

Adding to 43523125245 its reverse (54252132534), we get a palindrome (97775257779).

The spelling of 43523125245 in words is "forty-three billion, five hundred twenty-three million, one hundred twenty-five thousand, two hundred forty-five".