172345756046 has 8 divisors (see below), whose sum is σ = 258546967464. Its totient is φ = 86163433560.

The previous prime is 172345756007. The next prime is 172345756049. The reversal of 172345756046 is 640657543271.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 172345755985 and 172345756003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172345756049) 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, 4699400 + ... + 4735931.

It is an arithmetic number, because the mean of its divisors is an integer number (32318370933).

Almost surely, 2^172345756046 is an apocalyptic number.

172345756046 is a deficient number, since it is larger than the sum of its proper divisors (86201211418).

172345756046 is an equidigital number, since it uses as much as digits as its factorization.

172345756046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9444466.

The product of its (nonzero) digits is 4233600, while the sum is 50.

The spelling of 172345756046 in words is "one hundred seventy-two billion, three hundred forty-five million, seven hundred fifty-six thousand, forty-six".