45638469 has 12 divisors (see below), whose sum is σ = 66046656. Its totient is φ = 30368232.

The previous prime is 45638429. The next prime is 45638471. The reversal of 45638469 is 96483654.

45638469 is a `hidden beast` number, since 4 + 5 + 638 + 4 + 6 + 9 = 666.

It is not a de Polignac number, because 45638469 - 2¹¹ = 45636421 is a prime.

It is a super-2 number, since 2×45638469² = 4165739705327922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45638429) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 564 + ... + 9570.

It is an arithmetic number, because the mean of its divisors is an integer number (5503888).

Almost surely, 2^45638469 is an apocalyptic number.

It is an amenable number.

45638469 is a deficient number, since it is larger than the sum of its proper divisors (20408187).

45638469 is a wasteful number, since it uses less digits than its factorization.

45638469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9576 (or 9573 counting only the distinct ones).

The product of its digits is 622080, while the sum is 45.

The square root of 45638469 is about 6755.6249895920. The cubic root of 45638469 is about 357.3636339085.

The spelling of 45638469 in words is "forty-five million, six hundred thirty-eight thousand, four hundred sixty-nine".