2142443315 has 8 divisors (see below), whose sum is σ = 2633637888. Its totient is φ = 1672150720.

The previous prime is 2142443311. The next prime is 2142443357. The reversal of 2142443315 is 5133442412.

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

It is not a de Polignac number, because 2142443315 - 2² = 2142443311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2142443311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5225267 + ... + 5225676.

It is an arithmetic number, because the mean of its divisors is an integer number (329204736).

Almost surely, 2^2142443315 is an apocalyptic number.

2142443315 is a deficient number, since it is larger than the sum of its proper divisors (491194573).

2142443315 is a wasteful number, since it uses less digits than its factorization.

2142443315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10450989.

The product of its digits is 11520, while the sum is 29.

The square root of 2142443315 is about 46286.5349210761. The cubic root of 2142443315 is about 1289.1489920289.

Adding to 2142443315 its reverse (5133442412), we get a palindrome (7275885727).

The spelling of 2142443315 in words is "two billion, one hundred forty-two million, four hundred forty-three thousand, three hundred fifteen".