45691841 has 4 divisors (see below), whose sum is σ = 49206612. Its totient is φ = 42177072.

The previous prime is 45691817. The next prime is 45691847. The reversal of 45691841 is 14819654.

45691841 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14819654 = 2 ⋅7409827.

It can be written as a sum of positive squares in 2 ways, for example, as 3168400 + 42523441 = 1780^2 + 6521^2 .

It is a cyclic number.

It is not a de Polignac number, because 45691841 - 2¹⁰ = 45690817 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 45691795 and 45691804.

It is not an unprimeable number, because it can be changed into a prime (45691847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1757366 + ... + 1757391.

It is an arithmetic number, because the mean of its divisors is an integer number (12301653).

Almost surely, 2^45691841 is an apocalyptic number.

It is an amenable number.

45691841 is a deficient number, since it is larger than the sum of its proper divisors (3514771).

45691841 is a wasteful number, since it uses less digits than its factorization.

45691841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3514770.

The product of its digits is 34560, while the sum is 38.

The square root of 45691841 is about 6759.5740250403. The cubic root of 45691841 is about 357.5028861814.

The spelling of 45691841 in words is "forty-five million, six hundred ninety-one thousand, eight hundred forty-one".