45957779845 has 4 divisors (see below), whose sum is σ = 55149335820. Its totient is φ = 36766223872.

The previous prime is 45957779831. The next prime is 45957779849. The reversal of 45957779845 is 54897775954.

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 9200454561 + 36757325284 = 95919^2 + 191722^2 .

It is a cyclic number.

It is not a de Polignac number, because 45957779845 - 2⁷ = 45957779717 is a prime.

It is a super-2 number, since 2×45957779845² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45957779849) 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, 4595777980 + ... + 4595777989.

It is an arithmetic number, because the mean of its divisors is an integer number (13787333955).

Almost surely, 2^45957779845 is an apocalyptic number.

It is an amenable number.

45957779845 is a deficient number, since it is larger than the sum of its proper divisors (9191555975).

45957779845 is an equidigital number, since it uses as much as digits as its factorization.

45957779845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9191555974.

The product of its digits is 444528000, while the sum is 70.

The spelling of 45957779845 in words is "forty-five billion, nine hundred fifty-seven million, seven hundred seventy-nine thousand, eight hundred forty-five".