153243236 has 24 divisors (see below), whose sum is σ = 284339160. Its totient is φ = 72015872.

The previous prime is 153243197. The next prime is 153243239. The reversal of 153243236 is 632342351.

It can be written as a sum of positive squares in 4 ways, for example, as 40246336 + 112996900 = 6344^2 + 10630^2 .

It is a junction number, because it is equal to n+sod(n) for n = 153243199 and 153243208.

It is not an unprimeable number, because it can be changed into a prime (153243239) 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, 80180 + ... + 82068.

It is an arithmetic number, because the mean of its divisors is an integer number (11847465).

Almost surely, 2^153243236 is an apocalyptic number.

It is an amenable number.

153243236 is a deficient number, since it is larger than the sum of its proper divisors (131095924).

153243236 is a wasteful number, since it uses less digits than its factorization.

153243236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3103 (or 3101 counting only the distinct ones).

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

The square root of 153243236 is about 12379.1452047385. The cubic root of 153243236 is about 535.1314039470.

Adding to 153243236 its reverse (632342351), we get a palindrome (785585587).

The spelling of 153243236 in words is "one hundred fifty-three million, two hundred forty-three thousand, two hundred thirty-six".