43225891945 has 8 divisors (see below), whose sum is σ = 51881353920. Its totient is φ = 34573857840.

The previous prime is 43225891939. The next prime is 43225891949. The reversal of 43225891945 is 54919852234.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 43225891945 - 2¹¹ = 43225889897 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 43225891892 and 43225891901.

It is not an unprimeable number, because it can be changed into a prime (43225891949) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 829141 + ... + 879730.

It is an arithmetic number, because the mean of its divisors is an integer number (6485169240).

Almost surely, 2^43225891945 is an apocalyptic number.

It is an amenable number.

43225891945 is a deficient number, since it is larger than the sum of its proper divisors (8655461975).

43225891945 is a wasteful number, since it uses less digits than its factorization.

43225891945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1713935.

The product of its digits is 3110400, while the sum is 52.

The spelling of 43225891945 in words is "forty-three billion, two hundred twenty-five million, eight hundred ninety-one thousand, nine hundred forty-five".