153021233 has 16 divisors (see below), whose sum is σ = 168931584. Its totient is φ = 137998080.

The previous prime is 153021227. The next prime is 153021241. The reversal of 153021233 is 332120351.

It is a cyclic number.

It is not a de Polignac number, because 153021233 - 2⁴ = 153021217 is a prime.

It is not an unprimeable number, because it can be changed into a prime (153021223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40328 + ... + 43958.

It is an arithmetic number, because the mean of its divisors is an integer number (10558224).

Almost surely, 2^153021233 is an apocalyptic number.

It is an amenable number.

153021233 is a deficient number, since it is larger than the sum of its proper divisors (15910351).

153021233 is a wasteful number, since it uses less digits than its factorization.

153021233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3752.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 153021233 is about 12370.1751402314. The cubic root of 153021233 is about 534.8728646575.

Adding to 153021233 its reverse (332120351), we get a palindrome (485141584).

The spelling of 153021233 in words is "one hundred fifty-three million, twenty-one thousand, two hundred thirty-three".