45754797581 has 4 divisors (see below), whose sum is σ = 45766775964. Its totient is φ = 45742819200.

The previous prime is 45754797563. The next prime is 45754797601. The reversal of 45754797581 is 18579745754.

45754797581 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 43708592356 + 2046205225 = 209066^2 + 45235^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45754797581 is a prime.

It is a super-2 number, since 2×45754797581² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45754697581) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5983460 + ... + 5991101.

It is an arithmetic number, because the mean of its divisors is an integer number (11441693991).

Almost surely, 2^45754797581 is an apocalyptic number.

It is an amenable number.

45754797581 is a deficient number, since it is larger than the sum of its proper divisors (11978383).

45754797581 is a wasteful number, since it uses less digits than its factorization.

45754797581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11978382.

The product of its digits is 49392000, while the sum is 62.

The spelling of 45754797581 in words is "forty-five billion, seven hundred fifty-four million, seven hundred ninety-seven thousand, five hundred eighty-one".