243472142 has 8 divisors (see below), whose sum is σ = 372099096. Its totient is φ = 119439112.

The previous prime is 243472127. The next prime is 243472193. The reversal of 243472142 is 241274342.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1148348 + ... + 1148559.

It is an arithmetic number, because the mean of its divisors is an integer number (46512387).

Almost surely, 2^243472142 is an apocalyptic number.

243472142 is a deficient number, since it is larger than the sum of its proper divisors (128626954).

243472142 is a wasteful number, since it uses less digits than its factorization.

243472142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2296962.

The product of its digits is 10752, while the sum is 29.

The square root of 243472142 is about 15603.5938808981. The cubic root of 243472142 is about 624.4290397392.

The spelling of 243472142 in words is "two hundred forty-three million, four hundred seventy-two thousand, one hundred forty-two".