146684481 has 16 divisors (see below), whose sum is σ = 202017024. Its totient is φ = 94613904.

The previous prime is 146684479. The next prime is 146684491. The reversal of 146684481 is 184486641.

It is not a de Polignac number, because 146684481 - 2¹ = 146684479 is a prime.

It is a super-2 number, since 2×146684481² = 43032673932478722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (146684431) 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, 8490 + ... + 19116.

It is an arithmetic number, because the mean of its divisors is an integer number (12626064).

Almost surely, 2^146684481 is an apocalyptic number.

It is an amenable number.

146684481 is a deficient number, since it is larger than the sum of its proper divisors (55332543).

146684481 is a wasteful number, since it uses less digits than its factorization.

146684481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10780.

The product of its digits is 147456, while the sum is 42.

The square root of 146684481 is about 12111.3368791393. The cubic root of 146684481 is about 527.3853434832.

The spelling of 146684481 in words is "one hundred forty-six million, six hundred eighty-four thousand, four hundred eighty-one".