146409 has 8 divisors (see below), whose sum is σ = 200640. Its totient is φ = 94896.

The previous prime is 146407. The next prime is 146417. The reversal of 146409 is 904641.

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

It is not a de Polignac number, because 146409 - 2¹ = 146407 is a prime.

It is a Curzon number.

It is a plaindrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (146407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 549 + ... + 770.

It is an arithmetic number, because the mean of its divisors is an integer number (25080).

2¹⁴⁶⁴⁰⁹ is an apocalyptic number.

It is an amenable number.

146409 is a deficient number, since it is larger than the sum of its proper divisors (54231).

146409 is a wasteful number, since it uses less digits than its factorization.

146409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1359.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 146409 is about 382.6342901518. The cubic root of 146409 is about 52.7054984319.

It can be divided in two parts, 146 and 409, that added together give a palindrome (555).

The spelling of 146409 in words is "one hundred forty-six thousand, four hundred nine".