231245153 has 8 divisors (see below), whose sum is σ = 237775272. Its totient is φ = 224729856.

The previous prime is 231245111. The next prime is 231245171. The reversal of 231245153 is 351542132.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 60341824 + 170903329 = 7768^2 + 13073^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 231245153 - 2¹⁰ = 231244129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231245653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32951 + ... + 39347.

It is an arithmetic number, because the mean of its divisors is an integer number (29721909).

Almost surely, 2^231245153 is an apocalyptic number.

It is an amenable number.

231245153 is a deficient number, since it is larger than the sum of its proper divisors (6530119).

231245153 is an equidigital number, since it uses as much as digits as its factorization.

231245153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7411.

The product of its digits is 3600, while the sum is 26.

The square root of 231245153 is about 15206.7469565322. The cubic root of 231245153 is about 613.7962246465.

Adding to 231245153 its reverse (351542132), we get a palindrome (582787285).

The spelling of 231245153 in words is "two hundred thirty-one million, two hundred forty-five thousand, one hundred fifty-three".