75454045457 has 16 divisors (see below), whose sum is σ = 87264756864. Its totient is φ = 63903840000.

The previous prime is 75454045439. The next prime is 75454045487.

It is a happy number.

75454045457 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 75454045457 - 2¹⁰ = 75454044433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75454045487) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 238457 + ... + 455817.

It is an arithmetic number, because the mean of its divisors is an integer number (5454047304).

Almost surely, 2^75454045457 is an apocalyptic number.

It is an amenable number.

75454045457 is a deficient number, since it is larger than the sum of its proper divisors (11810711407).

75454045457 is a wasteful number, since it uses less digits than its factorization.

75454045457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217960.

The product of its (nonzero) digits is 7840000, while the sum is 50.

It can be divided in two parts, 754540 and 45457, that added together give a palindrome (799997).

The spelling of 75454045457 in words is "seventy-five billion, four hundred fifty-four million, forty-five thousand, four hundred fifty-seven".