243055435 has 24 divisors (see below), whose sum is σ = 341920656. Its totient is φ = 165372480.

The previous prime is 243055433. The next prime is 243055451. The reversal of 243055435 is 534550342.

It is a happy number.

It is not a de Polignac number, because 243055435 - 2¹ = 243055433 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 243055397 and 243055406.

It is not an unprimeable number, because it can be changed into a prime (243055433) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28309 + ... + 35881.

It is an arithmetic number, because the mean of its divisors is an integer number (14246694).

Almost surely, 2^243055435 is an apocalyptic number.

243055435 is a deficient number, since it is larger than the sum of its proper divisors (98865221).

243055435 is a wasteful number, since it uses less digits than its factorization.

243055435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7723 (or 7716 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 31.

The square root of 243055435 is about 15590.2352451783. The cubic root of 243055435 is about 624.0725957548.

The spelling of 243055435 in words is "two hundred forty-three million, fifty-five thousand, four hundred thirty-five".