2142443005 has 32 divisors (see below), whose sum is σ = 2744454240. Its totient is φ = 1602478080.

The previous prime is 2142442999. The next prime is 2142443011. The reversal of 2142443005 is 5003442412.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2142442999) and next prime (2142443011).

It can be written as a sum of positive squares in 16 ways, for example, as 72284004 + 2070159001 = 8502^2 + 45499^2 .

It is not a de Polignac number, because 2142443005 - 2¹¹ = 2142440957 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1292137 + ... + 1293793.

It is an arithmetic number, because the mean of its divisors is an integer number (85764195).

Almost surely, 2^2142443005 is an apocalyptic number.

It is an amenable number.

2142443005 is a deficient number, since it is larger than the sum of its proper divisors (602011235).

2142443005 is a wasteful number, since it uses less digits than its factorization.

2142443005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1969.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 2142443005 is about 46286.5315723699. The cubic root of 2142443005 is about 1289.1489298513.

Adding to 2142443005 its reverse (5003442412), we get a palindrome (7145885417).

The spelling of 2142443005 in words is "two billion, one hundred forty-two million, four hundred forty-three thousand, five".