146378194 has 8 divisors (see below), whose sum is σ = 232483068. Its totient is φ = 68883840.

The previous prime is 146378153. The next prime is 146378207. The reversal of 146378194 is 491873641.

146378194 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 128527569 + 17850625 = 11337^2 + 4225^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 146378194.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2152587 + ... + 2152654.

Almost surely, 2^146378194 is an apocalyptic number.

146378194 is a deficient number, since it is larger than the sum of its proper divisors (86104874).

146378194 is a wasteful number, since it uses less digits than its factorization.

146378194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4305260.

The product of its digits is 145152, while the sum is 43.

The square root of 146378194 is about 12098.6856310923. The cubic root of 146378194 is about 527.0180157478.

The spelling of 146378194 in words is "one hundred forty-six million, three hundred seventy-eight thousand, one hundred ninety-four".