75465353440143 has 12 divisors (see below), whose sum is σ = 109005691196688. Its totient is φ = 50310152239680.

The previous prime is 75465353440117. The next prime is 75465353440153. The reversal of 75465353440143 is 34104435356457.

75465353440143 is a `hidden beast` number, since 7 + 5 + 4 + 6 + 5 + 3 + 53 + 440 + 143 = 666.

It is not a de Polignac number, because 75465353440143 - 2¹² = 75465353436047 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 75465353440143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75465353440153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 944155 + ... + 12321612.

It is an arithmetic number, because the mean of its divisors is an integer number (9083807599724).

Almost surely, 2^{75465353440143} is an apocalyptic number.

75465353440143 is a deficient number, since it is larger than the sum of its proper divisors (33540337756545).

75465353440143 is a wasteful number, since it uses less digits than its factorization.

75465353440143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13897854 (or 13897851 counting only the distinct ones).

The product of its (nonzero) digits is 36288000, while the sum is 54.

The spelling of 75465353440143 in words is "seventy-five trillion, four hundred sixty-five billion, three hundred fifty-three million, four hundred forty thousand, one hundred forty-three".