45658378361 has 4 divisors (see below), whose sum is σ = 46519857252. Its totient is φ = 44796899472.

The previous prime is 45658378357. The next prime is 45658378387. The reversal of 45658378361 is 16387385654.

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 27984271225 + 17674107136 = 167285^2 + 132944^2 .

It is a cyclic number.

It is not a de Polignac number, because 45658378361 - 2² = 45658378357 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 45658378297 and 45658378306.

It is not an unprimeable number, because it can be changed into a prime (45658378261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 430739366 + ... + 430739471.

It is an arithmetic number, because the mean of its divisors is an integer number (11629964313).

Almost surely, 2^45658378361 is an apocalyptic number.

It is an amenable number.

45658378361 is a deficient number, since it is larger than the sum of its proper divisors (861478891).

45658378361 is an equidigital number, since it uses as much as digits as its factorization.

45658378361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 861478890.

The product of its digits is 14515200, while the sum is 56.

The spelling of 45658378361 in words is "forty-five billion, six hundred fifty-eight million, three hundred seventy-eight thousand, three hundred sixty-one".