45380186 has 16 divisors (see below), whose sum is σ = 70626600. Its totient is φ = 21842688.

The previous prime is 45380177. The next prime is 45380201. The reversal of 45380186 is 68108354.

45380186 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 45144961 + 235225 = 6719^2 + 485^2 .

It is a super-2 number, since 2×45380186² = 4118722562789192, which contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 22766 + ... + 24678.

Almost surely, 2^45380186 is an apocalyptic number.

45380186 is a deficient number, since it is larger than the sum of its proper divisors (25246414).

45380186 is a wasteful number, since it uses less digits than its factorization.

45380186 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2353.

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 45380186 is about 6736.4817226799. The cubic root of 45380186 is about 356.6882123221.

The spelling of 45380186 in words is "forty-five million, three hundred eighty thousand, one hundred eighty-six".