43752503945 has 16 divisors (see below), whose sum is σ = 54205224960. Its totient is φ = 33867547200.

The previous prime is 43752503939. The next prime is 43752503981. The reversal of 43752503945 is 54930525734.

It is not a de Polignac number, because 43752503945 - 2¹⁰ = 43752502921 is a prime.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 43752503945.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1162736 + ... + 1199774.

It is an arithmetic number, because the mean of its divisors is an integer number (3387826560).

Almost surely, 2^43752503945 is an apocalyptic number.

It is an amenable number.

43752503945 is a deficient number, since it is larger than the sum of its proper divisors (10452721015).

43752503945 is a wasteful number, since it uses less digits than its factorization.

43752503945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44696.

The product of its (nonzero) digits is 2268000, while the sum is 47.

The spelling of 43752503945 in words is "forty-three billion, seven hundred fifty-two million, five hundred three thousand, nine hundred forty-five".