43145044032 has 56 divisors (see below), whose sum is σ = 114481864000. Its totient is φ = 14340450816.

The previous prime is 43145044009. The next prime is 43145044081. The reversal of 43145044032 is 23044054134.

It is a super-2 number, since 2×43145044032² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 254932 + ... + 388947.

It is an arithmetic number, because the mean of its divisors is an integer number (2044319000).

Almost surely, 2^43145044032 is an apocalyptic number.

It is an amenable number.

43145044032 is an abundant number, since it is smaller than the sum of its proper divisors (71336819968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

43145044032 is a wasteful number, since it uses less digits than its factorization.

43145044032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644243 (or 644233 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 43145044032 its reverse (23044054134), we get a palindrome (66189098166).

The spelling of 43145044032 in words is "forty-three billion, one hundred forty-five million, forty-four thousand, thirty-two".