172235143352 has 32 divisors (see below), whose sum is σ = 327200428800. Its totient is φ = 84982840800.

The previous prime is 172235143331. The next prime is 172235143427. The reversal of 172235143352 is 253341532271.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1149827 + ... + 1290957.

It is an arithmetic number, because the mean of its divisors is an integer number (10225013400).

Almost surely, 2^172235143352 is an apocalyptic number.

It is an amenable number.

172235143352 is a deficient number, since it is larger than the sum of its proper divisors (154965285448).

172235143352 is a wasteful number, since it uses less digits than its factorization.

172235143352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143147 (or 143143 counting only the distinct ones).

The product of its digits is 151200, while the sum is 38.

The spelling of 172235143352 in words is "one hundred seventy-two billion, two hundred thirty-five million, one hundred forty-three thousand, three hundred fifty-two".