2144323042 has 16 divisors (see below), whose sum is σ = 3305369592. Its totient is φ = 1042698880.

The previous prime is 2144323019. The next prime is 2144323073. The reversal of 2144323042 is 2403234412.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 195188841 + 1949134201 = 13971^2 + 44149^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2144322998 and 2144323016.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15253 + ... + 67240.

Almost surely, 2^2144323042 is an apocalyptic number.

2144323042 is a deficient number, since it is larger than the sum of its proper divisors (1161046550).

2144323042 is a wasteful number, since it uses less digits than its factorization.

2144323042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82853.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 2144323042 is about 46306.8358020714. The cubic root of 2144323042 is about 1289.5259043446.

Adding to 2144323042 its reverse (2403234412), we get a palindrome (4547557454).

The spelling of 2144323042 in words is "two billion, one hundred forty-four million, three hundred twenty-three thousand, forty-two".