45066187 has 4 divisors (see below), whose sum is σ = 45157000. Its totient is φ = 44975376.

The previous prime is 45066181. The next prime is 45066191. The reversal of 45066187 is 78166054.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 45066187 - 2³ = 45066179 is a prime.

It is a super-2 number, since 2×45066187² = 4061922421437938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45066181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44658 + ... + 45655.

It is an arithmetic number, because the mean of its divisors is an integer number (11289250).

Almost surely, 2^45066187 is an apocalyptic number.

45066187 is a deficient number, since it is larger than the sum of its proper divisors (90813).

45066187 is an equidigital number, since it uses as much as digits as its factorization.

45066187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90812.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 45066187 is about 6713.1354075424. The cubic root of 45066187 is about 355.8636302794.

The spelling of 45066187 in words is "forty-five million, sixty-six thousand, one hundred eighty-seven".