146216589 has 16 divisors (see below), whose sum is σ = 205455744. Its totient is φ = 92312000.

The previous prime is 146216557. The next prime is 146216593. The reversal of 146216589 is 985612641.

146216589 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 146216589 - 2⁵ = 146216557 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 146216589.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146216509) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3522 + ... + 17459.

It is an arithmetic number, because the mean of its divisors is an integer number (12840984).

Almost surely, 2^146216589 is an apocalyptic number.

It is an amenable number.

146216589 is a deficient number, since it is larger than the sum of its proper divisors (59239155).

146216589 is a wasteful number, since it uses less digits than its factorization.

146216589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21108.

The product of its digits is 103680, while the sum is 42.

The square root of 146216589 is about 12092.0051687055. The cubic root of 146216589 is about 526.8239975312.

The spelling of 146216589 in words is "one hundred forty-six million, two hundred sixteen thousand, five hundred eighty-nine".