244454545 has 16 divisors (see below), whose sum is σ = 295971408. Its totient is φ = 193822720.

The previous prime is 244454537. The next prime is 244454563. The reversal of 244454545 is 545454442.

It can be written as a sum of positive squares in 8 ways, for example, as 102272769 + 142181776 = 10113^2 + 11924^2 .

It is not a de Polignac number, because 244454545 - 2³ = 244454537 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 360747 + ... + 361423.

It is an arithmetic number, because the mean of its divisors is an integer number (18498213).

Almost surely, 2^244454545 is an apocalyptic number.

It is an amenable number.

244454545 is a deficient number, since it is larger than the sum of its proper divisors (51516863).

244454545 is a wasteful number, since it uses less digits than its factorization.

244454545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1220.

The product of its digits is 256000, while the sum is 37.

The square root of 244454545 is about 15635.0422129267. The cubic root of 244454545 is about 625.2677636678.

The spelling of 244454545 in words is "two hundred forty-four million, four hundred fifty-four thousand, five hundred forty-five".