146390193 has 48 divisors (see below), whose sum is σ = 239207040. Its totient is φ = 88301664.

The previous prime is 146390113. The next prime is 146390203. The reversal of 146390193 is 391093641.

146390193 is a `hidden beast` number, since 1 + 4 + 639 + 0 + 19 + 3 = 666.

It is not a de Polignac number, because 146390193 - 2⁸ = 146389937 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (146390113) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 223855 + ... + 224507.

It is an arithmetic number, because the mean of its divisors is an integer number (4983480).

Almost surely, 2^146390193 is an apocalyptic number.

It is an amenable number.

146390193 is a deficient number, since it is larger than the sum of its proper divisors (92816847).

146390193 is a wasteful number, since it uses less digits than its factorization.

146390193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 723 (or 698 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 36.

The square root of 146390193 is about 12099.1815012421. The cubic root of 146390193 is about 527.0324156986.

The spelling of 146390193 in words is "one hundred forty-six million, three hundred ninety thousand, one hundred ninety-three".