243233170251745 has 16 divisors (see below), whose sum is σ = 295410043982592. Its totient is φ = 192233259201280.

The previous prime is 243233170251653. The next prime is 243233170251749. The reversal of 243233170251745 is 547152071332342.

It is not a de Polignac number, because 243233170251745 - 2¹¹ = 243233170249697 is a prime.

It is a super-2 number, since 2×243233170251745² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (243233170251749) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4485721 + ... + 22507510.

It is an arithmetic number, because the mean of its divisors is an integer number (18463127748912).

Almost surely, 2^{243233170251745} is an apocalyptic number.

It is an amenable number.

243233170251745 is a deficient number, since it is larger than the sum of its proper divisors (52176873730847).

243233170251745 is a wasteful number, since it uses less digits than its factorization.

243233170251745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27015032.

The product of its (nonzero) digits is 4233600, while the sum is 49.

The spelling of 243233170251745 in words is "two hundred forty-three trillion, two hundred thirty-three billion, one hundred seventy million, two hundred fifty-one thousand, seven hundred forty-five".