244985105 has 8 divisors (see below), whose sum is σ = 294225000. Its totient is φ = 195826176.

The previous prime is 244985101. The next prime is 244985131. The reversal of 244985105 is 501589442.

It is a Cunningham number, because it is equal to 15652²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 88209664 + 156775441 = 9392^2 + 12521^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 244985105 - 2² = 244985101 is a prime.

It is a super-2 number, since 2×244985105² = 120035403343722050, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (244985101) 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, 13370 + ... + 25859.

It is an arithmetic number, because the mean of its divisors is an integer number (36778125).

Almost surely, 2^244985105 is an apocalyptic number.

It is an amenable number.

244985105 is a deficient number, since it is larger than the sum of its proper divisors (49239895).

244985105 is a wasteful number, since it uses less digits than its factorization.

244985105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40483.

The product of its (nonzero) digits is 57600, while the sum is 38.

The square root of 244985105 is about 15652.0000319448. Note that the first 4 decimals coincide. The cubic root of 244985105 is about 625.7197936505.

The spelling of 244985105 in words is "two hundred forty-four million, nine hundred eighty-five thousand, one hundred five".