243242435151 has 12 divisors (see below), whose sum is σ = 369842299320. Its totient is φ = 153626801040.

The previous prime is 243242435147. The next prime is 243242435159. The reversal of 243242435151 is 151534242342.

It is a happy number.

243242435151 is a `hidden beast` number, since 2 + 4 + 32 + 42 + 435 + 151 = 666.

It is not a de Polignac number, because 243242435151 - 2² = 243242435147 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243242435159) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 711235020 + ... + 711235361.

It is an arithmetic number, because the mean of its divisors is an integer number (30820191610).

Almost surely, 2^243242435151 is an apocalyptic number.

243242435151 is a deficient number, since it is larger than the sum of its proper divisors (126599864169).

243242435151 is a wasteful number, since it uses less digits than its factorization.

243242435151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1422470406 (or 1422470403 counting only the distinct ones).

The product of its digits is 115200, while the sum is 36.

Adding to 243242435151 its reverse (151534242342), we get a palindrome (394776677493).

The spelling of 243242435151 in words is "two hundred forty-three billion, two hundred forty-two million, four hundred thirty-five thousand, one hundred fifty-one".