378539245 has 16 divisors (see below), whose sum is σ = 519465600. Its totient is φ = 259406784.

The previous prime is 378539219. The next prime is 378539251. The reversal of 378539245 is 542935873.

It is not a de Polignac number, because 378539245 - 2²³ = 370150637 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 378539195 and 378539204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87094 + ... + 91336.

It is an arithmetic number, because the mean of its divisors is an integer number (32466600).

Almost surely, 2^378539245 is an apocalyptic number.

378539245 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

378539245 is a deficient number, since it is larger than the sum of its proper divisors (140926355).

378539245 is a wasteful number, since it uses less digits than its factorization.

378539245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6804.

The product of its digits is 907200, while the sum is 46.

The square root of 378539245 is about 19456.0850378487. The cubic root of 378539245 is about 723.3863405318.

The spelling of 378539245 in words is "three hundred seventy-eight million, five hundred thirty-nine thousand, two hundred forty-five".