2141444345 has 16 divisors (see below), whose sum is σ = 2613887760. Its totient is φ = 1683763200.

The previous prime is 2141444341. The next prime is 2141444363. The reversal of 2141444345 is 5434441412.

It can be written as a sum of positive squares in 8 ways, for example, as 1364224 + 2140080121 = 1168^2 + 46261^2 .

It is not a de Polignac number, because 2141444345 - 2² = 2141444341 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2141444341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 635465 + ... + 638825.

It is an arithmetic number, because the mean of its divisors is an integer number (163367985).

Almost surely, 2^2141444345 is an apocalyptic number.

It is an amenable number.

2141444345 is a deficient number, since it is larger than the sum of its proper divisors (472443415).

2141444345 is a wasteful number, since it uses less digits than its factorization.

2141444345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5516.

The product of its digits is 30720, while the sum is 32.

The square root of 2141444345 is about 46275.7425116010. The cubic root of 2141444345 is about 1288.9485944468.

Adding to 2141444345 its reverse (5434441412), we get a palindrome (7575885757).

The spelling of 2141444345 in words is "two billion, one hundred forty-one million, four hundred forty-four thousand, three hundred forty-five".