243771470146 has 8 divisors (see below), whose sum is σ = 365667728400. Its totient is φ = 121882227348.

The previous prime is 243771470123. The next prime is 243771470191. The reversal of 243771470146 is 641074177342.

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

It is a super-2 number, since 2×243771470146² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 243771470096 and 243771470105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1666116 + ... + 1806511.

It is an arithmetic number, because the mean of its divisors is an integer number (45708466050).

Almost surely, 2^243771470146 is an apocalyptic number.

243771470146 is a deficient number, since it is larger than the sum of its proper divisors (121896258254).

243771470146 is a wasteful number, since it uses less digits than its factorization.

243771470146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3507728.

The product of its (nonzero) digits is 790272, while the sum is 46.

The spelling of 243771470146 in words is "two hundred forty-three billion, seven hundred seventy-one million, four hundred seventy thousand, one hundred forty-six".