2142143029 has 16 divisors (see below), whose sum is σ = 2431522800. Its totient is φ = 1873138176.

The previous prime is 2142143027. The next prime is 2142143057. The reversal of 2142143029 is 9203412412.

It can be written as a sum of positive squares in 8 ways, for example, as 399080529 + 1743062500 = 19977^2 + 41750^2 .

It is not a de Polignac number, because 2142143029 - 2¹ = 2142143027 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2142142988 and 2142143006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2142143023) 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, 33624 + ... + 73585.

It is an arithmetic number, because the mean of its divisors is an integer number (151970175).

Almost surely, 2^2142143029 is an apocalyptic number.

2142143029 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

2142143029 is a deficient number, since it is larger than the sum of its proper divisors (289379771).

2142143029 is a wasteful number, since it uses less digits than its factorization.

2142143029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107304.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 2142143029 is about 46283.2910346704. The cubic root of 2142143029 is about 1289.0887599442.

The spelling of 2142143029 in words is "two billion, one hundred forty-two million, one hundred forty-three thousand, twenty-nine".