45127548761 has 4 divisors (see below), whose sum is σ = 46228220724. Its totient is φ = 44026876800.

The previous prime is 45127548737. The next prime is 45127548833. The reversal of 45127548761 is 16784572154.

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 16178568025 + 28948980736 = 127195^2 + 170144^2 .

It is a cyclic number.

It is not a de Polignac number, because 45127548761 - 2¹⁰ = 45127547737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45127548721) 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, 550335920 + ... + 550336001.

It is an arithmetic number, because the mean of its divisors is an integer number (11557055181).

Almost surely, 2^45127548761 is an apocalyptic number.

45127548761 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

45127548761 is a deficient number, since it is larger than the sum of its proper divisors (1100671963).

45127548761 is a wasteful number, since it uses less digits than its factorization.

45127548761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1100671962.

The product of its digits is 1881600, while the sum is 50.

The spelling of 45127548761 in words is "forty-five billion, one hundred twenty-seven million, five hundred forty-eight thousand, seven hundred sixty-one".