146638194 has 8 divisors (see below), whose sum is σ = 293276400. Its totient is φ = 48879396.

The previous prime is 146638171. The next prime is 146638199. The reversal of 146638194 is 491836641.

146638194 is digitally balanced in base 2, 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.

146638194 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (146638199) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12219844 + ... + 12219855.

It is an arithmetic number, because the mean of its divisors is an integer number (36659550).

Almost surely, 2^146638194 is an apocalyptic number.

146638194 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

146638194 is a wasteful number, since it uses less digits than its factorization.

146638194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24439704.

The product of its digits is 124416, while the sum is 42.

The square root of 146638194 is about 12109.4258327965. The cubic root of 146638194 is about 527.3298646455.

The spelling of 146638194 in words is "one hundred forty-six million, six hundred thirty-eight thousand, one hundred ninety-four".