45882178 has 4 divisors (see below), whose sum is σ = 68823270. Its totient is φ = 22941088.

The previous prime is 45882163. The next prime is 45882209. The reversal of 45882178 is 87128854.

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

It can be written as a sum of positive squares in only one way, i.e., 45873529 + 8649 = 6773^2 + 93^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11470543 + ... + 11470546.

Almost surely, 2^45882178 is an apocalyptic number.

45882178 is a deficient number, since it is larger than the sum of its proper divisors (22941092).

45882178 is a wasteful number, since it uses less digits than its factorization.

45882178 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22941091.

The product of its digits is 143360, while the sum is 43.

The square root of 45882178 is about 6773.6384609750. The cubic root of 45882178 is about 357.9986111491.

The spelling of 45882178 in words is "forty-five million, eight hundred eighty-two thousand, one hundred seventy-eight".