45378208 has 24 divisors (see below), whose sum is σ = 89746272. Its totient is φ = 22585536.

The previous prime is 45378199. The next prime is 45378211. The reversal of 45378208 is 80287354.

It is a super-2 number, since 2×45378208² = 4118363522582528, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4141 + ... + 10387.

It is an arithmetic number, because the mean of its divisors is an integer number (3739428).

Almost surely, 2^45378208 is an apocalyptic number.

It is an amenable number.

45378208 is a deficient number, since it is larger than the sum of its proper divisors (44368064).

45378208 is a wasteful number, since it uses less digits than its factorization.

45378208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6484 (or 6476 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 37.

The square root of 45378208 is about 6736.3349085389. The cubic root of 45378208 is about 356.6830298876.

The spelling of 45378208 in words is "forty-five million, three hundred seventy-eight thousand, two hundred eight".