43573137452 has 24 divisors (see below), whose sum is σ = 82139244096. Its totient is φ = 20105624448.

The previous prime is 43573137403. The next prime is 43573137463. The reversal of 43573137452 is 25473137534.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107693 + ... + 314235.

It is an arithmetic number, because the mean of its divisors is an integer number (3422468504).

Almost surely, 2^43573137452 is an apocalyptic number.

It is an amenable number.

43573137452 is a deficient number, since it is larger than the sum of its proper divisors (38566106644).

43573137452 is a wasteful number, since it uses less digits than its factorization.

43573137452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210617 (or 210615 counting only the distinct ones).

The product of its digits is 1058400, while the sum is 44.

The spelling of 43573137452 in words is "forty-three billion, five hundred seventy-three million, one hundred thirty-seven thousand, four hundred fifty-two".