146378814 has 16 divisors (see below), whose sum is σ = 293083920. Its totient is φ = 48738560.

The previous prime is 146378777. The next prime is 146378867. The reversal of 146378814 is 418873641.

It is a Smith number, since the sum of its digits (42) 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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7557 + ... + 18704.

It is an arithmetic number, because the mean of its divisors is an integer number (18317745).

Almost surely, 2^146378814 is an apocalyptic number.

146378814 is an abundant number, since it is smaller than the sum of its proper divisors (146705106).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

146378814 is a wasteful number, since it uses less digits than its factorization.

146378814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27195.

The product of its digits is 129024, while the sum is 42.

The square root of 146378814 is about 12098.7112536832. The cubic root of 146378814 is about 527.0187598265.

The spelling of 146378814 in words is "one hundred forty-six million, three hundred seventy-eight thousand, eight hundred fourteen".