45771551377 has 4 divisors (see below), whose sum is σ = 46224735156. Its totient is φ = 45318367600.

The previous prime is 45771551351. The next prime is 45771551453. The reversal of 45771551377 is 77315517754.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 77315517754 = 2 ⋅38657758877.

It can be written as a sum of positive squares in 2 ways, for example, as 35163375361 + 10608176016 = 187519^2 + 102996^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45771551377 is a prime.

It is a super-2 number, since 2×45771551377² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45771551477) 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, 226591738 + ... + 226591939.

It is an arithmetic number, because the mean of its divisors is an integer number (11556183789).

Almost surely, 2^45771551377 is an apocalyptic number.

It is an amenable number.

45771551377 is a deficient number, since it is larger than the sum of its proper divisors (453183779).

45771551377 is a wasteful number, since it uses less digits than its factorization.

45771551377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453183778.

The product of its digits is 3601500, while the sum is 52.

The spelling of 45771551377 in words is "forty-five billion, seven hundred seventy-one million, five hundred fifty-one thousand, three hundred seventy-seven".