45043405577 has 8 divisors (see below), whose sum is σ = 45618446280. Its totient is φ = 44471306880.

The previous prime is 45043405571. The next prime is 45043405579. The reversal of 45043405577 is 77550434054.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1634099776 + 43409305801 = 40424^2 + 208349^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45043405577 - 2²⁶ = 44976296713 is a prime.

It is a super-2 number, since 2×45043405577² (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 (45043405571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 704678 + ... + 765935.

It is an arithmetic number, because the mean of its divisors is an integer number (5702305785).

Almost surely, 2^45043405577 is an apocalyptic number.

It is an amenable number.

45043405577 is a deficient number, since it is larger than the sum of its proper divisors (575040703).

45043405577 is a wasteful number, since it uses less digits than its factorization.

45043405577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1471003.

The product of its (nonzero) digits is 1176000, while the sum is 44.

The spelling of 45043405577 in words is "forty-five billion, forty-three million, four hundred five thousand, five hundred seventy-seven".