443453172146 has 16 divisors (see below), whose sum is σ = 703876687488. Its totient is φ = 209099167200.

The previous prime is 443453172143. The next prime is 443453172157. The reversal of 443453172146 is 641271354344.

It is a junction number, because it is equal to n+sod(n) for n = 443453172097 and 443453172106.

It is not an unprimeable number, because it can be changed into a prime (443453172143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67886075 + ... + 67892606.

It is an arithmetic number, because the mean of its divisors is an integer number (43992292968).

Almost surely, 2^443453172146 is an apocalyptic number.

443453172146 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

443453172146 is a deficient number, since it is larger than the sum of its proper divisors (260423515342).

443453172146 is a wasteful number, since it uses less digits than its factorization.

443453172146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135778777.

The product of its digits is 967680, while the sum is 44.

The spelling of 443453172146 in words is "four hundred forty-three billion, four hundred fifty-three million, one hundred seventy-two thousand, one hundred forty-six".