243155051342 has 32 divisors (see below), whose sum is σ = 435004300800. Its totient is φ = 99668451168.

The previous prime is 243155051297. The next prime is 243155051351. The reversal of 243155051342 is 243150551342.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3760784 + ... + 3824892.

It is an arithmetic number, because the mean of its divisors is an integer number (13593884400).

Almost surely, 2^243155051342 is an apocalyptic number.

243155051342 is a deficient number, since it is larger than the sum of its proper divisors (191849249458).

243155051342 is a wasteful number, since it uses less digits than its factorization.

243155051342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75920.

The product of its (nonzero) digits is 72000, while the sum is 35.

The spelling of 243155051342 in words is "two hundred forty-three billion, one hundred fifty-five million, fifty-one thousand, three hundred forty-two".