45763821 has 6 divisors (see below), whose sum is σ = 66103310. Its totient is φ = 30509208.

The previous prime is 45763819. The next prime is 45763829. The reversal of 45763821 is 12836754.

45763821 is a `hidden beast` number, since 4 + 576 + 3 + 82 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 24502500 + 21261321 = 4950^2 + 4611^2 .

It is not a de Polignac number, because 45763821 - 2¹ = 45763819 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45763829) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2542426 + ... + 2542443.

Almost surely, 2^45763821 is an apocalyptic number.

It is an amenable number.

45763821 is a deficient number, since it is larger than the sum of its proper divisors (20339489).

45763821 is a wasteful number, since it uses less digits than its factorization.

45763821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5084875 (or 5084872 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 45763821 is about 6764.8962298028. The cubic root of 45763821 is about 357.6905167391.

The spelling of 45763821 in words is "forty-five million, seven hundred sixty-three thousand, eight hundred twenty-one".