240198445 has 8 divisors (see below), whose sum is σ = 298177560. Its totient is φ = 185532480.

The previous prime is 240198443. The next prime is 240198449. The reversal of 240198445 is 544891042.

It can be written as a sum of positive squares in 4 ways, for example, as 41332041 + 198866404 = 6429^2 + 14102^2 .

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

It is not a de Polignac number, because 240198445 - 2¹ = 240198443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240198443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 828126 + ... + 828415.

It is an arithmetic number, because the mean of its divisors is an integer number (37272195).

Almost surely, 2^240198445 is an apocalyptic number.

It is an amenable number.

240198445 is a deficient number, since it is larger than the sum of its proper divisors (57979115).

240198445 is a wasteful number, since it uses less digits than its factorization.

240198445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1656575.

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 240198445 is about 15498.3368462555. The cubic root of 240198445 is about 621.6177358804.

The spelling of 240198445 in words is "two hundred forty million, one hundred ninety-eight thousand, four hundred forty-five".