45974185 has 4 divisors (see below), whose sum is σ = 55169028. Its totient is φ = 36779344.

The previous prime is 45974183. The next prime is 45974189. The reversal of 45974185 is 58147954.

45974185 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 25280784 + 20693401 = 5028^2 + 4549^2 .

It is a cyclic number.

It is not a de Polignac number, because 45974185 - 2¹ = 45974183 is a prime.

It is a super-2 number, since 2×45974185² = 4227251372828450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45974183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4597414 + ... + 4597423.

It is an arithmetic number, because the mean of its divisors is an integer number (13792257).

Almost surely, 2^45974185 is an apocalyptic number.

It is an amenable number.

45974185 is a deficient number, since it is larger than the sum of its proper divisors (9194843).

45974185 is an equidigital number, since it uses as much as digits as its factorization.

45974185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9194842.

The product of its digits is 201600, while the sum is 43.

The square root of 45974185 is about 6780.4266089974. The cubic root of 45974185 is about 358.2377481965.

The spelling of 45974185 in words is "forty-five million, nine hundred seventy-four thousand, one hundred eighty-five".