153232243 has 4 divisors (see below), whose sum is σ = 153267048. Its totient is φ = 153197440.

The previous prime is 153232213. The next prime is 153232249. The reversal of 153232243 is 342232351.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 153232243 - 2⁹ = 153231731 is a prime.

It is a super-2 number, since 2×153232243² = 46960240589622098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (153232249) 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, 9646 + ... + 19987.

It is an arithmetic number, because the mean of its divisors is an integer number (38316762).

Almost surely, 2^153232243 is an apocalyptic number.

153232243 is a deficient number, since it is larger than the sum of its proper divisors (34805).

153232243 is an equidigital number, since it uses as much as digits as its factorization.

153232243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34804.

The product of its digits is 4320, while the sum is 25.

The square root of 153232243 is about 12378.7011838884. The cubic root of 153232243 is about 535.1186076450.

Adding to 153232243 its reverse (342232351), we get a palindrome (495464594).

The spelling of 153232243 in words is "one hundred fifty-three million, two hundred thirty-two thousand, two hundred forty-three".