153320133 has 4 divisors (see below), whose sum is σ = 204426848. Its totient is φ = 102213420.

The previous prime is 153320131. The next prime is 153320137. The reversal of 153320133 is 331023351.

153320133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 153320133 - 2¹ = 153320131 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (153320131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25553353 + ... + 25553358.

It is an arithmetic number, because the mean of its divisors is an integer number (51106712).

Almost surely, 2^153320133 is an apocalyptic number.

It is an amenable number.

153320133 is a deficient number, since it is larger than the sum of its proper divisors (51106715).

153320133 is an equidigital number, since it uses as much as digits as its factorization.

153320133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51106714.

The product of its (nonzero) digits is 810, while the sum is 21.

The square root of 153320133 is about 12382.2507243231. The cubic root of 153320133 is about 535.2208980950.

Adding to 153320133 its reverse (331023351), we get a palindrome (484343484).

The spelling of 153320133 in words is "one hundred fifty-three million, three hundred twenty thousand, one hundred thirty-three".