242766457423145 has 16 divisors (see below), whose sum is σ = 293109191859600. Its totient is φ = 193021012506624.

The previous prime is 242766457423093. The next prime is 242766457423199. The reversal of 242766457423145 is 541324754667242.

It can be written as a sum of positive squares in 8 ways, for example, as 13894733374096 + 228871724049049 = 3727564^2 + 15128507^2 .

It is a cyclic number.

It is not a de Polignac number, because 242766457423145 - 2⁸ = 242766457422889 is a prime.

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, 48129920 + ... + 52934129.

It is an arithmetic number, because the mean of its divisors is an integer number (18319324491225).

Almost surely, 2^{242766457423145} is an apocalyptic number.

It is an amenable number.

242766457423145 is a deficient number, since it is larger than the sum of its proper divisors (50342734436455).

242766457423145 is a wasteful number, since it uses less digits than its factorization.

242766457423145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101067004.

The product of its digits is 270950400, while the sum is 62.

The spelling of 242766457423145 in words is "two hundred forty-two trillion, seven hundred sixty-six billion, four hundred fifty-seven million, four hundred twenty-three thousand, one hundred forty-five".