146946217 has 8 divisors (see below), whose sum is σ = 161724960. Its totient is φ = 132404160.

The previous prime is 146946197. The next prime is 146946221. The reversal of 146946217 is 712649641.

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

It is a cyclic number.

It is not a de Polignac number, because 146946217 - 2¹¹ = 146944169 is a prime.

It is a super-2 number, since 2×146946217² = 43186381381222178, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 146946217.

It is not an unprimeable number, because it can be changed into a prime (146946257) 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, 57867 + ... + 60352.

It is an arithmetic number, because the mean of its divisors is an integer number (20215620).

Almost surely, 2^146946217 is an apocalyptic number.

It is an amenable number.

146946217 is a deficient number, since it is larger than the sum of its proper divisors (14778743).

146946217 is a wasteful number, since it uses less digits than its factorization.

146946217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118343.

The product of its digits is 72576, while the sum is 40.

The square root of 146946217 is about 12122.1374765344. The cubic root of 146946217 is about 527.6988365658.

The spelling of 146946217 in words is "one hundred forty-six million, nine hundred forty-six thousand, two hundred seventeen".