153220133 has 16 divisors (see below), whose sum is σ = 178827264. Its totient is φ = 129730560.

The previous prime is 153220129. The next prime is 153220139. The reversal of 153220133 is 331022351.

It is a cyclic number.

It is not a de Polignac number, because 153220133 - 2² = 153220129 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (153220139) 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, 13916 + ... + 22362.

It is an arithmetic number, because the mean of its divisors is an integer number (11176704).

Almost surely, 2^153220133 is an apocalyptic number.

It is an amenable number.

153220133 is a deficient number, since it is larger than the sum of its proper divisors (25607131).

153220133 is a wasteful number, since it uses less digits than its factorization.

153220133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8572.

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

The square root of 153220133 is about 12378.2120275911. The cubic root of 153220133 is about 535.1045104008.

Adding to 153220133 its reverse (331022351), we get a palindrome (484242484).

The spelling of 153220133 in words is "one hundred fifty-three million, two hundred twenty thousand, one hundred thirty-three".