45566641 has 4 divisors (see below), whose sum is σ = 46536192. Its totient is φ = 44597092.

The previous prime is 45566639. The next prime is 45566671. The reversal of 45566641 is 14666554.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 45566641 - 2¹ = 45566639 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45566641.

It is not an unprimeable number, because it can be changed into a prime (45566671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 484705 + ... + 484798.

It is an arithmetic number, because the mean of its divisors is an integer number (11634048).

Almost surely, 2^45566641 is an apocalyptic number.

It is an amenable number.

45566641 is a deficient number, since it is larger than the sum of its proper divisors (969551).

45566641 is an equidigital number, since it uses as much as digits as its factorization.

45566641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 969550.

The product of its digits is 86400, while the sum is 37.

The square root of 45566641 is about 6750.3067337714. The cubic root of 45566641 is about 357.1760568223.

The spelling of 45566641 in words is "forty-five million, five hundred sixty-six thousand, six hundred forty-one".