45666443 has 16 divisors (see below), whose sum is σ = 49572000. Its totient is φ = 41932800.

The previous prime is 45666421. The next prime is 45666449. The reversal of 45666443 is 34466654.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 45666443 - 2¹² = 45662347 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45666397 and 45666406.

It is not an unprimeable number, because it can be changed into a prime (45666449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101483 + ... + 101931.

It is an arithmetic number, because the mean of its divisors is an integer number (3098250).

Almost surely, 2^45666443 is an apocalyptic number.

45666443 is a deficient number, since it is larger than the sum of its proper divisors (3905557).

45666443 is a wasteful number, since it uses less digits than its factorization.

45666443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622.

The product of its digits is 207360, while the sum is 38.

The square root of 45666443 is about 6757.6950952229. The cubic root of 45666443 is about 357.4366340820.

The spelling of 45666443 in words is "forty-five million, six hundred sixty-six thousand, four hundred forty-three".