45581378 has 8 divisors (see below), whose sum is σ = 69662268. Its totient is φ = 22360624.

The previous prime is 45581329. The next prime is 45581383. The reversal of 45581378 is 87318554.

It can be written as a sum of positive squares in 2 ways, for example, as 44983849 + 597529 = 6707^2 + 773^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 214901 + ... + 215112.

Almost surely, 2^45581378 is an apocalyptic number.

45581378 is a deficient number, since it is larger than the sum of its proper divisors (24080890).

45581378 is a wasteful number, since it uses less digits than its factorization.

45581378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430068.

The product of its digits is 134400, while the sum is 41.

The square root of 45581378 is about 6751.3982255530. The cubic root of 45581378 is about 357.2145582060.

The spelling of 45581378 in words is "forty-five million, five hundred eighty-one thousand, three hundred seventy-eight".