45641786 has 12 divisors (see below), whose sum is σ = 69614766. Its totient is φ = 22443120.

The previous prime is 45641779. The next prime is 45641789. The reversal of 45641786 is 68714654.

It can be written as a sum of positive squares in 3 ways, for example, as 26988025 + 18653761 = 5195^2 + 4319^2 .

It is not an unprimeable number, because it can be changed into a prime (45641789) 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, 4376 + ... + 10508.

Almost surely, 2^45641786 is an apocalyptic number.

45641786 is a deficient number, since it is larger than the sum of its proper divisors (23972980).

45641786 is an equidigital number, since it uses as much as digits as its factorization.

45641786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6257 (or 6196 counting only the distinct ones).

The product of its digits is 161280, while the sum is 41.

The square root of 45641786 is about 6755.8704842529. The cubic root of 45641786 is about 357.3722914181.

The spelling of 45641786 in words is "forty-five million, six hundred forty-one thousand, seven hundred eighty-six".