45378128 has 20 divisors (see below), whose sum is σ = 88241748. Its totient is φ = 22606080.

The previous prime is 45378107. The next prime is 45378143. The reversal of 45378128 is 82187354.

It can be written as a sum of positive squares in 2 ways, for example, as 26956864 + 18421264 = 5192^2 + 4292^2 .

It is a junction number, because it is equal to n+sod(n) for n = 45378091 and 45378100.

It is a congruent number.

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, 551 + ... + 9542.

Almost surely, 2^45378128 is an apocalyptic number.

It is an amenable number.

45378128 is a deficient number, since it is larger than the sum of its proper divisors (42863620).

45378128 is a wasteful number, since it uses less digits than its factorization.

45378128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10382 (or 10376 counting only the distinct ones).

The product of its digits is 53760, while the sum is 38.

The square root of 45378128 is about 6736.3289705892. The cubic root of 45378128 is about 356.6828202814.

The spelling of 45378128 in words is "forty-five million, three hundred seventy-eight thousand, one hundred twenty-eight".