45638311 has 4 divisors (see below), whose sum is σ = 45767952. Its totient is φ = 45508672.

The previous prime is 45638291. The next prime is 45638347. The reversal of 45638311 is 11383654.

45638311 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: 11383654 = 2 ⋅5691827.

It is a cyclic number.

It is not a de Polignac number, because 45638311 - 2¹⁹ = 45114023 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 (45638111) 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, 64291 + ... + 64996.

It is an arithmetic number, because the mean of its divisors is an integer number (11441988).

Almost surely, 2^45638311 is an apocalyptic number.

45638311 is a deficient number, since it is larger than the sum of its proper divisors (129641).

45638311 is a wasteful number, since it uses less digits than its factorization.

45638311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129640.

The product of its digits is 8640, while the sum is 31.

The square root of 45638311 is about 6755.6132956231. The cubic root of 45638311 is about 357.3632215113.

The spelling of 45638311 in words is "forty-five million, six hundred thirty-eight thousand, three hundred eleven".