153540223 has 2 divisors, whose sum is σ = 153540224. Its totient is φ = 153540222.

The previous prime is 153540193. The next prime is 153540307. The reversal of 153540223 is 322045351.

It is a weak prime.

It is an emirp because it is prime and its reverse (322045351) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 153540223 - 2²⁵ = 119985791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (153540323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76770111 + 76770112.

It is an arithmetic number, because the mean of its divisors is an integer number (76770112).

Almost surely, 2^153540223 is an apocalyptic number.

153540223 is a deficient number, since it is larger than the sum of its proper divisors (1).

153540223 is an equidigital number, since it uses as much as digits as its factorization.

153540223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 153540223 is about 12391.1348552100. The cubic root of 153540223 is about 535.4768776252.

Adding to 153540223 its reverse (322045351), we get a palindrome (475585574).

The spelling of 153540223 in words is "one hundred fifty-three million, five hundred forty thousand, two hundred twenty-three".