243152536 has 16 divisors (see below), whose sum is σ = 497357640. Its totient is φ = 110523840.

The previous prime is 243152531. The next prime is 243152537. The reversal of 243152536 is 635251342.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 243152498 and 243152507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243152531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1381461 + ... + 1381636.

Almost surely, 2^243152536 is an apocalyptic number.

It is an amenable number.

243152536 is an abundant number, since it is smaller than the sum of its proper divisors (254205104).

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

243152536 is a wasteful number, since it uses less digits than its factorization.

243152536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2763114 (or 2763110 counting only the distinct ones).

The product of its digits is 21600, while the sum is 31.

The square root of 243152536 is about 15593.3490950469. The cubic root of 243152536 is about 624.1556906604.

The spelling of 243152536 in words is "two hundred forty-three million, one hundred fifty-two thousand, five hundred thirty-six".