146199689 has 8 divisors (see below), whose sum is σ = 151204608. Its totient is φ = 141212880.

The previous prime is 146199679. The next prime is 146199709. The reversal of 146199689 is 986991641.

It is a happy number.

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 146199689 - 2¹² = 146195593 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 146199689.

It is not an unprimeable number, because it can be changed into a prime (146199619) 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 7 ways as a sum of consecutive naturals, for example, 13034 + ... + 21500.

It is an arithmetic number, because the mean of its divisors is an integer number (18900576).

Almost surely, 2^146199689 is an apocalyptic number.

It is an amenable number.

146199689 is a deficient number, since it is larger than the sum of its proper divisors (5004919).

146199689 is an equidigital number, since it uses as much as digits as its factorization.

146199689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9055.

The product of its digits is 839808, while the sum is 53.

The square root of 146199689 is about 12091.3063396806. The cubic root of 146199689 is about 526.8036996323.

The spelling of 146199689 in words is "one hundred forty-six million, one hundred ninety-nine thousand, six hundred eighty-nine".