146831233 has 8 divisors (see below), whose sum is σ = 148938048. Its totient is φ = 144732624.

The previous prime is 146831231. The next prime is 146831303. The reversal of 146831233 is 332138641.

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 146831233 - 2¹ = 146831231 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 146831195 and 146831204.

It is not an unprimeable number, because it can be changed into a prime (146831231) 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, 39991 + ... + 43507.

It is an arithmetic number, because the mean of its divisors is an integer number (18617256).

Almost surely, 2^146831233 is an apocalyptic number.

It is an amenable number.

146831233 is a deficient number, since it is larger than the sum of its proper divisors (2106815).

146831233 is an equidigital number, since it uses as much as digits as its factorization.

146831233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4103.

The product of its digits is 10368, while the sum is 31.

The square root of 146831233 is about 12117.3938204550. The cubic root of 146831233 is about 527.5611608966.

Adding to 146831233 its reverse (332138641), we get a palindrome (478969874).

The spelling of 146831233 in words is "one hundred forty-six million, eight hundred thirty-one thousand, two hundred thirty-three".