1444745211 has 16 divisors (see below), whose sum is σ = 2370864384. Its totient is φ = 762063264.

The previous prime is 1444745209. The next prime is 1444745293. The reversal of 1444745211 is 1125474441.

It is not a de Polignac number, because 1444745211 - 2¹ = 1444745209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1444741211) 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 15 ways as a sum of consecutive naturals, for example, 2645781 + ... + 2646326.

It is an arithmetic number, because the mean of its divisors is an integer number (148179024).

Almost surely, 2^1444745211 is an apocalyptic number.

1444745211 is a deficient number, since it is larger than the sum of its proper divisors (926119173).

1444745211 is a wasteful number, since it uses less digits than its factorization.

1444745211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5292130.

The product of its digits is 17920, while the sum is 33.

The square root of 1444745211 is about 38009.8041431418. The cubic root of 1444745211 is about 1130.4822675842.

The spelling of 1444745211 in words is "one billion, four hundred forty-four million, seven hundred forty-five thousand, two hundred eleven".