146368478 has 8 divisors (see below), whose sum is σ = 219613680. Its totient is φ = 73163920.

The previous prime is 146368477. The next prime is 146368501. The reversal of 146368478 is 874863641.

It is a happy number.

146368478 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146368477) 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 3 ways as a sum of consecutive naturals, for example, 1538 + ... + 17178.

It is an arithmetic number, because the mean of its divisors is an integer number (27451710).

Almost surely, 2^146368478 is an apocalyptic number.

146368478 is a deficient number, since it is larger than the sum of its proper divisors (73245202).

146368478 is a wasteful number, since it uses less digits than its factorization.

146368478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20322.

The product of its digits is 774144, while the sum is 47.

The square root of 146368478 is about 12098.2840932093. The cubic root of 146368478 is about 527.0063550393.

The spelling of 146368478 in words is "one hundred forty-six million, three hundred sixty-eight thousand, four hundred seventy-eight".