243435157 has 16 divisors (see below), whose sum is σ = 289152000. Its totient is φ = 200545920.

The previous prime is 243435133. The next prime is 243435161. The reversal of 243435157 is 751534342.

It is a cyclic number.

It is not a de Polignac number, because 243435157 - 2¹¹ = 243433109 is a prime.

It is a super-3 number, since 3×243435157³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243435107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28569 + ... + 36097.

It is an arithmetic number, because the mean of its divisors is an integer number (18072000).

Almost surely, 2^243435157 is an apocalyptic number.

It is an amenable number.

243435157 is a deficient number, since it is larger than the sum of its proper divisors (45716843).

243435157 is a wasteful number, since it uses less digits than its factorization.

243435157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7716.

The product of its digits is 50400, while the sum is 34.

The square root of 243435157 is about 15602.4086922501. The cubic root of 243435157 is about 624.3974198622.

Adding to 243435157 its reverse (751534342), we get a palindrome (994969499).

The spelling of 243435157 in words is "two hundred forty-three million, four hundred thirty-five thousand, one hundred fifty-seven".