242154604538182 has 64 divisors (see below), whose sum is σ = 444541494418560. Its totient is φ = 96564919689216.

The previous prime is 242154604538179. The next prime is 242154604538183. The reversal of 242154604538182 is 281835406451242.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242154604538183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 152504298 + ... + 154083970.

It is an arithmetic number, because the mean of its divisors is an integer number (6945960850290).

Almost surely, 2^{242154604538182} is an apocalyptic number.

242154604538182 is a deficient number, since it is larger than the sum of its proper divisors (202386889880378).

242154604538182 is a wasteful number, since it uses less digits than its factorization.

242154604538182 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1587025.

The product of its (nonzero) digits is 14745600, while the sum is 55.

The spelling of 242154604538182 in words is "two hundred forty-two trillion, one hundred fifty-four billion, six hundred four million, five hundred thirty-eight thousand, one hundred eighty-two".