146489171 has 4 divisors (see below), whose sum is σ = 146523000. Its totient is φ = 146455344.

The previous prime is 146489149. The next prime is 146489207. The reversal of 146489171 is 171984641.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 171984641 = 367 ⋅468623.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-146489171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146489111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9266 + ... + 19463.

It is an arithmetic number, because the mean of its divisors is an integer number (36630750).

Almost surely, 2^146489171 is an apocalyptic number.

146489171 is a deficient number, since it is larger than the sum of its proper divisors (33829).

146489171 is an equidigital number, since it uses as much as digits as its factorization.

146489171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33828.

The product of its digits is 48384, while the sum is 41.

The square root of 146489171 is about 12103.2710867765. The cubic root of 146489171 is about 527.1511687863.

The spelling of 146489171 in words is "one hundred forty-six million, four hundred eighty-nine thousand, one hundred seventy-one".