43758289145 has 8 divisors (see below), whose sum is σ = 53790677640. Its totient is φ = 34152810880.

The previous prime is 43758289117. The next prime is 43758289171. The reversal of 43758289145 is 54198285734.

It can be written as a sum of positive squares in 4 ways, for example, as 3575681209 + 40182607936 = 59797^2 + 200456^2 .

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

It is not a de Polignac number, because 43758289145 - 2¹⁶ = 43758223609 is a prime.

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, 106727330 + ... + 106727739.

It is an arithmetic number, because the mean of its divisors is an integer number (6723834705).

Almost surely, 2^43758289145 is an apocalyptic number.

It is an amenable number.

43758289145 is a deficient number, since it is larger than the sum of its proper divisors (10032388495).

43758289145 is a wasteful number, since it uses less digits than its factorization.

43758289145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213455115.

The product of its digits is 9676800, while the sum is 56.

The spelling of 43758289145 in words is "forty-three billion, seven hundred fifty-eight million, two hundred eighty-nine thousand, one hundred forty-five".