241500145 has 4 divisors (see below), whose sum is σ = 289800180. Its totient is φ = 193200112.

The previous prime is 241500143. The next prime is 241500163. The reversal of 241500145 is 541005142.

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 175191696 + 66308449 = 13236^2 + 8143^2 .

It is a cyclic number.

It is not a de Polignac number, because 241500145 - 2¹ = 241500143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (241500143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24150010 + ... + 24150019.

It is an arithmetic number, because the mean of its divisors is an integer number (72450045).

Almost surely, 2^241500145 is an apocalyptic number.

It is an amenable number.

241500145 is a deficient number, since it is larger than the sum of its proper divisors (48300035).

241500145 is an equidigital number, since it uses as much as digits as its factorization.

241500145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48300034.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 241500145 is about 15540.2749332179. The cubic root of 241500145 is about 622.7386181114.

Adding to 241500145 its reverse (541005142), we get a palindrome (782505287).

The spelling of 241500145 in words is "two hundred forty-one million, five hundred thousand, one hundred forty-five".