241978045 has 4 divisors (see below), whose sum is σ = 290373660. Its totient is φ = 193582432.

The previous prime is 241978013. The next prime is 241978049. The reversal of 241978045 is 540879142.

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 26563716 + 215414329 = 5154^2 + 14677^2 .

It is a cyclic number.

It is not a de Polignac number, because 241978045 - 2⁵ = 241978013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 241977989 and 241978007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (241978049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24197800 + ... + 24197809.

It is an arithmetic number, because the mean of its divisors is an integer number (72593415).

Almost surely, 2^241978045 is an apocalyptic number.

It is an amenable number.

241978045 is a deficient number, since it is larger than the sum of its proper divisors (48395615).

241978045 is an equidigital number, since it uses as much as digits as its factorization.

241978045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48395614.

The product of its (nonzero) digits is 80640, while the sum is 40.

The square root of 241978045 is about 15555.6435096720. The cubic root of 241978045 is about 623.1491226153.

The spelling of 241978045 in words is "two hundred forty-one million, nine hundred seventy-eight thousand, forty-five".