241720223545 has 4 divisors (see below), whose sum is σ = 290064268260. Its totient is φ = 193376178832.

The previous prime is 241720223539. The next prime is 241720223573. The reversal of 241720223545 is 545322027142.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 166062770064 + 75657453481 = 407508^2 + 275059^2 .

It is a cyclic number.

It is not a de Polignac number, because 241720223545 - 2³⁷ = 104281270073 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24172022350 + ... + 24172022359.

It is an arithmetic number, because the mean of its divisors is an integer number (72516067065).

Almost surely, 2^241720223545 is an apocalyptic number.

It is an amenable number.

241720223545 is a deficient number, since it is larger than the sum of its proper divisors (48344044715).

241720223545 is an equidigital number, since it uses as much as digits as its factorization.

241720223545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48344044714.

The product of its (nonzero) digits is 134400, while the sum is 37.

The spelling of 241720223545 in words is "two hundred forty-one billion, seven hundred twenty million, two hundred twenty-three thousand, five hundred forty-five".