378400154 has 24 divisors (see below), whose sum is σ = 631441440. Its totient is φ = 169918760.

The previous prime is 378400151. The next prime is 378400189. The reversal of 378400154 is 451004873.

378400154 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 378400154.

It is not an unprimeable number, because it can be changed into a prime (378400151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10667 + ... + 29505.

It is an arithmetic number, because the mean of its divisors is an integer number (26310060).

Almost surely, 2^378400154 is an apocalyptic number.

378400154 is a deficient number, since it is larger than the sum of its proper divisors (253041286).

378400154 is a wasteful number, since it uses less digits than its factorization.

378400154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18946 (or 18935 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 378400154 is about 19452.5102236190. The cubic root of 378400154 is about 723.2977289749.

The spelling of 378400154 in words is "three hundred seventy-eight million, four hundred thousand, one hundred fifty-four".