146481393 has 16 divisors (see below), whose sum is σ = 205850880. Its totient is φ = 92396304.

The previous prime is 146481383. The next prime is 146481421. The reversal of 146481393 is 393184641.

It is not a de Polignac number, because 146481393 - 2⁶ = 146481329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (146481323) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 72130 + ... + 74132.

It is an arithmetic number, because the mean of its divisors is an integer number (12865680).

Almost surely, 2^146481393 is an apocalyptic number.

It is an amenable number.

146481393 is a deficient number, since it is larger than the sum of its proper divisors (59369487).

146481393 is a wasteful number, since it uses less digits than its factorization.

146481393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3308.

The product of its digits is 62208, while the sum is 39.

The square root of 146481393 is about 12102.9497644169. The cubic root of 146481393 is about 527.1418387352.

The spelling of 146481393 in words is "one hundred forty-six million, four hundred eighty-one thousand, three hundred ninety-three".