242252352231545 has 8 divisors (see below), whose sum is σ = 291619866284424. Its totient is φ = 193190519380864.

The previous prime is 242252352231529. The next prime is 242252352231553. The reversal of 242252352231545 is 545132253252242.

It can be written as a sum of positive squares in 4 ways, for example, as 4945228621369 + 237307123610176 = 2223787^2 + 15404776^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 242252352231545 - 2⁴ = 242252352231529 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 242252352231545.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76420298804 + ... + 76420301973.

It is an arithmetic number, because the mean of its divisors is an integer number (36452483285553).

Almost surely, 2^{242252352231545} is an apocalyptic number.

It is an amenable number.

242252352231545 is a deficient number, since it is larger than the sum of its proper divisors (49367514052879).

242252352231545 is a wasteful number, since it uses less digits than its factorization.

242252352231545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152840601099.

The product of its digits is 5760000, while the sum is 47.

The spelling of 242252352231545 in words is "two hundred forty-two trillion, two hundred fifty-two billion, three hundred fifty-two million, two hundred thirty-one thousand, five hundred forty-five".