146235233 has 6 divisors (see below), whose sum is σ = 149890662. Its totient is φ = 142666880.

The previous prime is 146235223. The next prime is 146235263. The reversal of 146235233 is 332532641.

It can be written as a sum of positive squares in 3 ways, for example, as 18769 + 146216464 = 137^2 + 12092^2 .

It is not a de Polignac number, because 146235233 - 2¹⁶ = 146169697 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 146235196 and 146235205.

It is not an unprimeable number, because it can be changed into a prime (146235203) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 41816 + ... + 45177.

It is an arithmetic number, because the mean of its divisors is an integer number (24981777).

Almost surely, 2^146235233 is an apocalyptic number.

It is an amenable number.

146235233 is a deficient number, since it is larger than the sum of its proper divisors (3655429).

146235233 is an frugal number, since it uses more digits than its factorization.

146235233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87075 (or 87034 counting only the distinct ones).

The product of its digits is 12960, while the sum is 29.

The square root of 146235233 is about 12092.7760667268. The cubic root of 146235233 is about 526.8463882627.

Adding to 146235233 its reverse (332532641), we get a palindrome (478767874).

The spelling of 146235233 in words is "one hundred forty-six million, two hundred thirty-five thousand, two hundred thirty-three".