43145540123552 has 48 divisors (see below), whose sum is σ = 87764426733312. Its totient is φ = 20867627639040.

The previous prime is 43145540123459. The next prime is 43145540123563. The reversal of 43145540123552 is 25532104554134.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179031608 + ... + 179272439.

It is an arithmetic number, because the mean of its divisors is an integer number (1828425556944).

Almost surely, 2^{43145540123552} is an apocalyptic number.

It is an amenable number.

43145540123552 is an abundant number, since it is smaller than the sum of its proper divisors (44618886609760).

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

43145540123552 is a wasteful number, since it uses less digits than its factorization.

43145540123552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358304181 (or 358304173 counting only the distinct ones).

The product of its (nonzero) digits is 1440000, while the sum is 44.

Adding to 43145540123552 its reverse (25532104554134), we get a palindrome (68677644677686).

The spelling of 43145540123552 in words is "forty-three trillion, one hundred forty-five billion, five hundred forty million, one hundred twenty-three thousand, five hundred fifty-two".