245232143 has 8 divisors (see below), whose sum is σ = 268573200. Its totient is φ = 222530688.

The previous prime is 245232137. The next prime is 245232181. The reversal of 245232143 is 341232542.

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 245232143 - 2¹⁸ = 244969999 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 (245232133) 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 in 7 ways as a sum of consecutive naturals, for example, 159098 + ... + 160631.

It is an arithmetic number, because the mean of its divisors is an integer number (33571650).

Almost surely, 2^245232143 is an apocalyptic number.

245232143 is a deficient number, since it is larger than the sum of its proper divisors (23341057).

245232143 is a wasteful number, since it uses less digits than its factorization.

245232143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319801.

The product of its digits is 5760, while the sum is 26.

The square root of 245232143 is about 15659.8896228549. The cubic root of 245232143 is about 625.9300440358.

Adding to 245232143 its reverse (341232542), we get a palindrome (586464685).

The spelling of 245232143 in words is "two hundred forty-five million, two hundred thirty-two thousand, one hundred forty-three".