45751396081 has 6 divisors (see below), whose sum is σ = 48600964310. Its totient is φ = 43060137216.

The previous prime is 45751396049. The next prime is 45751396129. The reversal of 45751396081 is 18069315754.

It can be written as a sum of positive squares in 3 ways, for example, as 18600595456 + 27150800625 = 136384^2 + 164775^2 .

It is not a de Polignac number, because 45751396081 - 2⁵ = 45751396049 is a prime.

It is a super-2 number, since 2×45751396081² (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 (45751396021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 79154376 + ... + 79154953.

Almost surely, 2^45751396081 is an apocalyptic number.

It is an amenable number.

45751396081 is a deficient number, since it is larger than the sum of its proper divisors (2849568229).

45751396081 is a wasteful number, since it uses less digits than its factorization.

45751396081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158309363 (or 158309346 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 49.

The spelling of 45751396081 in words is "forty-five billion, seven hundred fifty-one million, three hundred ninety-six thousand, eighty-one".