242388147152146 has 16 divisors (see below), whose sum is σ = 363640034237976. Its totient is φ = 121174802977536.

The previous prime is 242388147152119. The next prime is 242388147152191. The reversal of 242388147152146 is 641251741883242.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 168041313455625 + 74346833696521 = 12963075^2 + 8622461^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1309144090 + ... + 1309329226.

Almost surely, 2^{242388147152146} is an apocalyptic number.

242388147152146 is a deficient number, since it is larger than the sum of its proper divisors (121251887085830).

242388147152146 is a wasteful number, since it uses less digits than its factorization.

242388147152146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285693.

The product of its digits is 20643840, while the sum is 58.

The spelling of 242388147152146 in words is "two hundred forty-two trillion, three hundred eighty-eight billion, one hundred forty-seven million, one hundred fifty-two thousand, one hundred forty-six".