146481394 has 8 divisors (see below), whose sum is σ = 221738220. Its totient is φ = 72568656.

The previous prime is 146481383. The next prime is 146481421. The reversal of 146481394 is 493184641.

It can be written as a sum of positive squares in 2 ways, for example, as 121110025 + 25371369 = 11005^2 + 5037^2 .

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

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 3 ways as a sum of consecutive naturals, for example, 335749 + ... + 336184.

Almost surely, 2^146481394 is an apocalyptic number.

146481394 is a deficient number, since it is larger than the sum of its proper divisors (75256826).

146481394 is a wasteful number, since it uses less digits than its factorization.

146481394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672044.

The product of its digits is 82944, while the sum is 40.

The square root of 146481394 is about 12102.9498057292. The cubic root of 146481394 is about 527.1418399347.

The spelling of 146481394 in words is "one hundred forty-six million, four hundred eighty-one thousand, three hundred ninety-four".