243130462 has 4 divisors (see below), whose sum is σ = 364695696. Its totient is φ = 121565230.

The previous prime is 243130453. The next prime is 243130463. The reversal of 243130462 is 264031342.

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

It is a super-2 number, since 2×243130462² = 118224843104666888, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243130463) by changing a digit.

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 as a sum of consecutive naturals, namely, 60782614 + ... + 60782617.

It is an arithmetic number, because the mean of its divisors is an integer number (91173924).

Almost surely, 2^243130462 is an apocalyptic number.

243130462 is a deficient number, since it is larger than the sum of its proper divisors (121565234).

243130462 is a wasteful number, since it uses less digits than its factorization.

243130462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121565233.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 243130462 is about 15592.6412772179. The cubic root of 243130462 is about 624.1368026133.

The spelling of 243130462 in words is "two hundred forty-three million, one hundred thirty thousand, four hundred sixty-two".