172835105147 has 16 divisors (see below), whose sum is σ = 191478961152. Its totient is φ = 155171702400.

The previous prime is 172835105143. The next prime is 172835105153. The reversal of 172835105147 is 741501538271.

It is not a de Polignac number, because 172835105147 - 2² = 172835105143 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 172835105098 and 172835105107.

It is not an unprimeable number, because it can be changed into a prime (172835105141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 458729 + ... + 745722.

It is an arithmetic number, because the mean of its divisors is an integer number (11967435072).

Almost surely, 2^172835105147 is an apocalyptic number.

172835105147 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

172835105147 is a deficient number, since it is larger than the sum of its proper divisors (18643856005).

172835105147 is a wasteful number, since it uses less digits than its factorization.

172835105147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1204858.

The product of its (nonzero) digits is 235200, while the sum is 44.

The spelling of 172835105147 in words is "one hundred seventy-two billion, eight hundred thirty-five million, one hundred five thousand, one hundred forty-seven".