172143002302 has 8 divisors (see below), whose sum is σ = 258217055712. Its totient is φ = 86070650400.

The previous prime is 172143002279. The next prime is 172143002309. The reversal of 172143002302 is 203200341271.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172143002309) 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, 131974 + ... + 601417.

It is an arithmetic number, because the mean of its divisors is an integer number (32277131964).

Almost surely, 2^172143002302 is an apocalyptic number.

172143002302 is a deficient number, since it is larger than the sum of its proper divisors (86074053410).

172143002302 is a wasteful number, since it uses less digits than its factorization.

172143002302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 850754.

The product of its (nonzero) digits is 2016, while the sum is 25.

Adding to 172143002302 its reverse (203200341271), we get a palindrome (375343343573).

The spelling of 172143002302 in words is "one hundred seventy-two billion, one hundred forty-three million, two thousand, three hundred two".