75122144481745 has 8 divisors (see below), whose sum is σ = 90150426100800. Its totient is φ = 60095147103600.

The previous prime is 75122144481733. The next prime is 75122144481751. The reversal of 75122144481745 is 54718444122157.

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

It is not a de Polignac number, because 75122144481745 - 2⁴⁵ = 39937772392913 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, 320931531 + ... + 321165520.

It is an arithmetic number, because the mean of its divisors is an integer number (11268803262600).

Almost surely, 2^{75122144481745} is an apocalyptic number.

It is an amenable number.

75122144481745 is a deficient number, since it is larger than the sum of its proper divisors (15028281619055).

75122144481745 is a wasteful number, since it uses less digits than its factorization.

75122144481745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642120455.

The product of its digits is 10035200, while the sum is 55.

The spelling of 75122144481745 in words is "seventy-five trillion, one hundred twenty-two billion, one hundred forty-four million, four hundred eighty-one thousand, seven hundred forty-five".