243142301439 has 12 divisors (see below), whose sum is σ = 363316083000. Its totient is φ = 156505389264.

The previous prime is 243142301411. The next prime is 243142301459. The reversal of 243142301439 is 934103241342.

243142301439 is a `hidden beast` number, since 2 + 4 + 314 + 2 + 301 + 4 + 39 = 666.

It is not a de Polignac number, because 243142301439 - 2⁸ = 243142301183 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243142301459) 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, 465789589 + ... + 465790110.

It is an arithmetic number, because the mean of its divisors is an integer number (30276340250).

Almost surely, 2^243142301439 is an apocalyptic number.

243142301439 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

243142301439 is a deficient number, since it is larger than the sum of its proper divisors (120173781561).

243142301439 is a wasteful number, since it uses less digits than its factorization.

243142301439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 931579734 (or 931579731 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The spelling of 243142301439 in words is "two hundred forty-three billion, one hundred forty-two million, three hundred one thousand, four hundred thirty-nine".