43243555245 has 64 divisors (see below), whose sum is σ = 78529167360. Its totient is φ = 20130163200.

The previous prime is 43243555213. The next prime is 43243555249. The reversal of 43243555245 is 54255534234.

It is not a de Polignac number, because 43243555245 - 2⁵ = 43243555213 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 43243555197 and 43243555206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43243555249) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 616321 + ... + 682889.

It is an arithmetic number, because the mean of its divisors is an integer number (1227018240).

Almost surely, 2^43243555245 is an apocalyptic number.

It is an amenable number.

43243555245 is a deficient number, since it is larger than the sum of its proper divisors (35285612115).

43243555245 is a wasteful number, since it uses less digits than its factorization.

43243555245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66746.

The product of its digits is 1440000, while the sum is 42.

The spelling of 43243555245 in words is "forty-three billion, two hundred forty-three million, five hundred fifty-five thousand, two hundred forty-five".