243476042 has 4 divisors (see below), whose sum is σ = 365214066. Its totient is φ = 121738020.

The previous prime is 243476041. The next prime is 243476059. The reversal of 243476042 is 240674342.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 228584161 + 14891881 = 15119^2 + 3859^2 .

It is not an unprimeable number, because it can be changed into a prime (243476041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60869009 + ... + 60869012.

Almost surely, 2^243476042 is an apocalyptic number.

243476042 is a deficient number, since it is larger than the sum of its proper divisors (121738024).

243476042 is a wasteful number, since it uses less digits than its factorization.

243476042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121738023.

The product of its (nonzero) digits is 32256, while the sum is 32.

The square root of 243476042 is about 15603.7188516071. The cubic root of 243476042 is about 624.4323738102.

The spelling of 243476042 in words is "two hundred forty-three million, four hundred seventy-six thousand, forty-two".