2144945707 has 8 divisors (see below), whose sum is σ = 2310405120. Its totient is φ = 1985503080.

The previous prime is 2144945683. The next prime is 2144945711. The reversal of 2144945707 is 7075494412.

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 2144945707 - 2²³ = 2136557099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2144945507) 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 7 ways as a sum of consecutive naturals, for example, 1503457 + ... + 1504882.

It is an arithmetic number, because the mean of its divisors is an integer number (288800640).

Almost surely, 2^2144945707 is an apocalyptic number.

2144945707 is a deficient number, since it is larger than the sum of its proper divisors (165459413).

2144945707 is a wasteful number, since it uses less digits than its factorization.

2144945707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3008393.

The product of its (nonzero) digits is 282240, while the sum is 43.

The square root of 2144945707 is about 46313.5585655000. The cubic root of 2144945707 is about 1289.6507090693.

The spelling of 2144945707 in words is "two billion, one hundred forty-four million, nine hundred forty-five thousand, seven hundred seven".