243150520 has 16 divisors (see below), whose sum is σ = 547088760. Its totient is φ = 97260192.

The previous prime is 243150499. The next prime is 243150521. The reversal of 243150520 is 25051342.

It is a junction number, because it is equal to n+sod(n) for n = 243150491 and 243150500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243150521) 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 in 3 ways as a sum of consecutive naturals, for example, 3039342 + ... + 3039421.

Almost surely, 2^243150520 is an apocalyptic number.

243150520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

243150520 is an abundant number, since it is smaller than the sum of its proper divisors (303938240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

243150520 is a wasteful number, since it uses less digits than its factorization.

243150520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6078774 (or 6078770 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 243150520 is about 15593.2844519684. The cubic root of 243150520 is about 624.1539656782.

The spelling of 243150520 in words is "two hundred forty-three million, one hundred fifty thousand, five hundred twenty".