235216146 has 16 divisors (see below), whose sum is σ = 513199008. Its totient is φ = 71277600.

The previous prime is 235216109. The next prime is 235216169. The reversal of 235216146 is 641612532.

It is an unprimeable number.

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, 1781875 + ... + 1782006.

It is an arithmetic number, because the mean of its divisors is an integer number (32074938).

Almost surely, 2^235216146 is an apocalyptic number.

235216146 is an abundant number, since it is smaller than the sum of its proper divisors (277982862).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

235216146 is a wasteful number, since it uses less digits than its factorization.

235216146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3563897.

The product of its digits is 8640, while the sum is 30.

The square root of 235216146 is about 15336.7580016117. The cubic root of 235216146 is about 617.2897182118.

Adding to 235216146 its reverse (641612532), we get a palindrome (876828678).

The spelling of 235216146 in words is "two hundred thirty-five million, two hundred sixteen thousand, one hundred forty-six".