2144528242 has 8 divisors (see below), whose sum is σ = 3217082796. Its totient is φ = 1072167312.

The previous prime is 2144528219. The next prime is 2144528263. The reversal of 2144528242 is 2428254412.

It can be written as a sum of positive squares in 2 ways, for example, as 2144523481 + 4761 = 46309^2 + 69^2 .

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

It is a super-2 number, since 2×2144528242² = 9198002761471221128, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2144528198 and 2144528207.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16513 + ... + 67540.

Almost surely, 2^2144528242 is an apocalyptic number.

2144528242 is a deficient number, since it is larger than the sum of its proper divisors (1072554554).

2144528242 is a wasteful number, since it uses less digits than its factorization.

2144528242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96812.

The product of its digits is 40960, while the sum is 34.

The square root of 2144528242 is about 46309.0514046660. The cubic root of 2144528242 is about 1289.5670365606.

The spelling of 2144528242 in words is "two billion, one hundred forty-four million, five hundred twenty-eight thousand, two hundred forty-two".