153221033 has 16 divisors (see below), whose sum is σ = 180685440. Its totient is φ = 127184256.

The previous prime is 153221023. The next prime is 153221041. The reversal of 153221033 is 330122351.

It is a cyclic number.

It is not a de Polignac number, because 153221033 - 2⁸ = 153220777 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 153220996 and 153221014.

It is not an unprimeable number, because it can be changed into a prime (153221023) 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, 59078 + ... + 61616.

It is an arithmetic number, because the mean of its divisors is an integer number (11292840).

Almost surely, 2^153221033 is an apocalyptic number.

It is an amenable number.

153221033 is a deficient number, since it is larger than the sum of its proper divisors (27464407).

153221033 is a wasteful number, since it uses less digits than its factorization.

153221033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2816.

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

The square root of 153221033 is about 12378.2483817380. The cubic root of 153221033 is about 535.1055581158.

Adding to 153221033 its reverse (330122351), we get a palindrome (483343384).

The spelling of 153221033 in words is "one hundred fifty-three million, two hundred twenty-one thousand, thirty-three".