378054745 has 8 divisors (see below), whose sum is σ = 453789000. Its totient is φ = 302361600.

The previous prime is 378054739. The next prime is 378054797. The reversal of 378054745 is 547450873.

It can be written as a sum of positive squares in 4 ways, for example, as 646416 + 377408329 = 804^2 + 19427^2 .

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

It is not a de Polignac number, because 378054745 - 2¹⁷ = 377923673 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16131 + ... + 31879.

It is an arithmetic number, because the mean of its divisors is an integer number (56723625).

Almost surely, 2^378054745 is an apocalyptic number.

It is an amenable number.

378054745 is a deficient number, since it is larger than the sum of its proper divisors (75734255).

378054745 is a wasteful number, since it uses less digits than its factorization.

378054745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20555.

The product of its (nonzero) digits is 470400, while the sum is 43.

The square root of 378054745 is about 19443.6299337341. The cubic root of 378054745 is about 723.0775831862.

The spelling of 378054745 in words is "three hundred seventy-eight million, fifty-four thousand, seven hundred forty-five".