146453678 has 16 divisors (see below), whose sum is σ = 251358720. Its totient is φ = 62692056.

The previous prime is 146453663. The next prime is 146453687. The reversal of 146453678 is 876354641.

146453678 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

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, 7175 + ... + 18557.

It is an arithmetic number, because the mean of its divisors is an integer number (15709920).

Almost surely, 2^146453678 is an apocalyptic number.

146453678 is a deficient number, since it is larger than the sum of its proper divisors (104905042).

146453678 is a wasteful number, since it uses less digits than its factorization.

146453678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12311.

The product of its digits is 483840, while the sum is 44.

The square root of 146453678 is about 12101.8047414425. The cubic root of 146453678 is about 527.1085906953.

The spelling of 146453678 in words is "one hundred forty-six million, four hundred fifty-three thousand, six hundred seventy-eight".