378075845 has 16 divisors (see below), whose sum is σ = 535231488. Its totient is φ = 250888320.

The previous prime is 378075829. The next prime is 378075847. The reversal of 378075845 is 548570873.

It is a happy number.

It is not a de Polignac number, because 378075845 - 2⁴ = 378075829 is a prime.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 378075845.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378075847) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 173144 + ... + 175313.

It is an arithmetic number, because the mean of its divisors is an integer number (33451968).

Almost surely, 2^378075845 is an apocalyptic number.

378075845 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

378075845 is a deficient number, since it is larger than the sum of its proper divisors (157155643).

378075845 is a wasteful number, since it uses less digits than its factorization.

378075845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348500.

The product of its (nonzero) digits is 940800, while the sum is 47.

The square root of 378075845 is about 19444.1725203208. The cubic root of 378075845 is about 723.0910350768.

The spelling of 378075845 in words is "three hundred seventy-eight million, seventy-five thousand, eight hundred forty-five".